How can i stop sucking my fingers?

I'm 15 and I still suck my (right hand, first two) fingers. I don't do it at school or in public, but whenever im with family, by myself or really, really badly upset / feeling a bit depressed or down I just can't help it.
I've tried stopping, but it's...

a habat I've had all my life and it's hard to break.

Any help?? Please?

I thought people sucked on their thumb but anyway...
Try putting your fingers into some food that you do not like and then taste it. This might help you stop because you'll be reminded of that nasty taste which may prevent you from being a '15 year old baby' .

Haha. Yeah i guess im just the odd one out then.

I've tried that before, and my mum used to do it with this 'anti-sucking' nail polishlish that tasted foul. But anyways long story short - i got violently ill because off that. But i will try your method anyways.

Thanks!

=)

try putting somthing nasty on your fingers that will put you off of sucking ur finger

carry on doin it it aint unusual