jealous.....healthy?

so....is it healthy being jealous all the time?....well...not 24 7....but at some times....the right moment....hehehehhe.....feeling jealous 24 7 is not healthy for our emotion though.....i think that it somehow may cause brain damage...hahahhahah...right.....?so why am i so jealous.....?well jealous of what exactly?....my point....heheheh...what am i jealous of?....hmmmm...let me think......so many ooooo......oooo my.....hehehehheheh...i'm still sane though...hheheheh..that's matter most....hahahhahahah