i had an party with my friends in a bar and one of the lady whom i met there kiss me on my lips so all the lip sticks of her caught on my lips after that she wiped the lip stick from my lips using her tissue paper which is holding in her hand.so i am worried that whether using someothers face tissue will cause hiv or std.please help me i am so much worried about this one because child hood onawards i am a germophobic.plz.....................