“It just doesn’t seem real. I wish I could kiss and hug you and tell you everything will be alright.
“I’m so grateful to have met you. I just want to make you proud.”
Lewis is now dating 24-year-old Lottie Tomlinson, Louis Tomlinson’s sister, and the pair have welcomed a baby in recent months.
In the meantime, Prince Harry lives permanently in the US and is now a father of two children, Archie, three, and Lilibet, one.
If you or someone you know has been affected by this story, Samaritans (116 123) has a 24-hour service available every day of the year.
Alternatively, you can find more information on the Samaritans website here.