This is normal. People get depressed sometimes. People that suffer from clinical depression get depressed more than often for no apparent reason.
You lost your girlfriend... youre going to be depressed, but keep your head up, keep busy, hang out with friends... it'll be a thing in the past... and there are more great things ahead of you my friend.
Keep your head up. You'll be fine. =)
-Cnote-
ok so was this your first girlfriend?
sorry it was miswritten....i dont have a girlfriend now also.....i am really depressed..pls help!!!!!!!!!!11
you have a girlfriend now??? why are you feeling lonely then? please tell :-)