'I texted my son on the day of his funeral asking him to give me strength': ... trends now

'I texted my son on the day of his funeral asking him to give me strength': ... trends now
'I texted my son on the day of his funeral asking him to give me strength': ... trends now

'I texted my son on the day of his funeral asking him to give me strength': ... trends now

Each morning, Tara Cosser sends her son a text message saying she loves him with a couple of hearts.

But the messages will never be read. In July, 17-year-old Charlie was stabbed to death multiple times at an end-of-term party, just days before he was due to set off on his first ever 'lads' holiday.

Instead of watching their boy enjoy a fun-filled summer, the parents of the 'gentle and thoughtful' teenager have told MailOnline how their lives have been shattered. 

They are now enduring a 'life sentence of grief' as they struggle to come to terms with the senseless death of their son.

Such is the pain of Martin and Tara Cosser that they send a WhatsApp message each morning to their son Charlie's phone.

Charlie Cosser was stabbed multiple times in July at a party in the grounds of a £1.5 million country mansion farmhouse in the village of Warnham

Charlie Cosser was stabbed multiple times in July at a party in the grounds of a £1.5 million country mansion farmhouse in the village of Warnham

Charlie's parents: 'We have been given a life sentence of grief, and if it wasn't for our two other children Adam and Eloise I am not sure that we could have gone on'

Charlie's parents: 'We have been given a life sentence of grief, and if it wasn't for our two other children Adam and Eloise I am not sure that we could have gone on'

Martin and Tara Cosser, the parents of the 'gentle and thoughtful' teenager, have told how they have been given a 'life sentence of grief' as they struggle to come to terms with his death

Martin and Tara Cosser, the parents of the 'gentle and thoughtful' teenager, have told how they have been given a 'life sentence of grief' as they struggle to come to terms with his death

Such is the pain of Martin and Tara Cosser that they send a WhatsApp message each morning to their son Charlie's phone.

'I just send him a message saying I love him with a couple of hearts,' said Tara.

'It is just a simple message. Of course, nothing comes back. I just don't want to be scrolling down on my phone to find his name.'

Martin added that he sends his son voice messages telling him how much he loves and misses him.

'At his funeral I messaged him and asked him to give us strength, and he did. He helped us get through that day,' he said.

Five months after Charlie was killed the couple still leave the bathroom light switched on – as they always did when their 'gentle, thoughtful' 17-year-old son came home from a night out with friends.

'It is something we have decided to do, and I suppose shows how we are struggling with what has happened, said 48-year-old Martin.

'That was our routine when he went out. We didn't give him a key as we knew he would lose it.

'This is our way of keeping the memories alive.

'But our lives have been changed, it has destroyed us and will never be the same.

'We have been given a life sentence of grief, and if it wasn't for our two other children Adam and Eloise I am not sure that we could have gone on.

The Cosser family's comfortable life in the village of Milford, near Guildford in Surrey, was shattered around midnight on July 25th when two police officers knocked on the door

The Cosser family's comfortable life in the village of Milford, near Guildford in Surrey, was shattered around midnight on July 25th when two police officers knocked on the door 

His father Martin (pictured) sends him voice messages and asked for 'strength' for the funeral

His father Martin (pictured) sends him voice messages and asked for 'strength' for the funeral

The talented footballer was critically injured and died three days later in hospital

The talented footballer was critically injured and died three days later in hospital

He was due to go on his first 'lads holiday' two days after the party to a Greek island

He was due to go on his first 'lads holiday' two days after the party to a Greek island

Charlie's parents say they are 'still in shock' at his death

Charlie's parents say they are 'still in shock' at his death

More than 100 people had attended the event that the Cossers say was well organised with a DJ, security on duty and guests charged a fee for entry

More than 100 people had attended the event that the Cossers say was well organised with a DJ, security on duty and guests charged a fee for entry

Martin and his beloved son when he was a baby

Martin and his beloved son when he was a baby  

Charlie's father has a tattoo of his beloved son on his arm

Charlie's father has a tattoo of his beloved son on his arm

'We have been to darkest place you can ever imagine.'

'We have experienced emotions didn't know exist. Just total shock when it happened, and we still are still in shock.

Martin, a self-employed insurance broker, said since his son's senseless and brutal death last July he has not been able to sleep properly and is often plagued by nightmares.

'I hardly sleep these days, but quite often I will go and lie on Charlie's bed and that helps relax me a bit.

'We have had the darkest and most horrible moments that I hope no father of mother should have to experience. Now as a family our mantra is one step at a time.'

The Cosser

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