In case J.K's excellent points and support haven't quite convinced you, and you still think the man who kicks people for a living has a point - NHS choices has lots of information on depression, anxiety and what causes them. You can read about them here.
Depression is real, and we must always rally around those who need our support - don't let anyone tell you otherwise.
Never foget If you are feeling vulnerable, upset or depressed there is always someone available to talk and help.
Mind is open Monday to Friday, 9am-6pm on 0300 123 3393
You can contact the Samaritans 24-hours a day for free via their website or phone line 116123
If you're LGBTQI and in need of someone to talk to, Switchboard LGBT offer advice and help every day from 10am to 10pm on their website and on 0300 330 0630
Alternatively, if you suspect a young person might be feeling suicidal, you can call Childlinefor help and advice on 0800 111