He keeps having histrionic meltdowns and just lately has been punching himself in the head and banging his head on things such as the sofa arm 
Sometimes he is not asleep until after 11.30. The worst one recently was 1.30am (didn't send him to school). Things converge in on him and he starts thinking about how unpleasant some of the other boys are to him at school, being told off, etc.
Secondary school is coming up and he says he doesn't know how he's going to cope. They have this citizenship project going on at home with is more work on top of homework - he is having major stresses over it
he says I am nagging him over it and not helping. Too late now anyway, as the folder was due in on Monday.
He says he's sad all the time at home. Younger sister doesn't help but have stopped her from winding him up at the moment.
I can't get him to join any after school clubs, he says he's too nervous and just refuses to do them.
Any suggestions from anyone with a similar boy? I just want him to be happy
Have asked the GP to call me but at the moment I don't think I can talk to her without dissolving into tears.
Thanks in advance, sorry for long post.