Why are so many Brits pro assisted dying?

ITV News - What You Need To Know

Nick Brown was told he has three months left to live. With a rare form of cancer, he’ll soon be paralysed.
And yet his dying wish is to go peacefully, before he deteriorates.
But with no option for assisted dying in our country, Nick and his family are stuck and desperate.
Now, thousands like Nick are calling for change - to legalise assisted suicide in the UK.
So, should Nick have the option? And where do you draw the line?
UK Editor Paul Brand tells Charlene White what you need to know...