4 years back rubbed my naked penis on bed after that I see that bed contains some black fluid almost it is dry 2) I visited govt hospital fir blood they use solid needle for blood suck I i did’t observe new or old but my father say it is new this 2 situation are very stressful form about hiv and other std any I asked many doctors in this website about hiv transmission they all are say no and I also said my symptoms swollen lymph node and gastritis but they said no hiv not transferred like this and this symptoms are due to chronic anxiety and stress contact psychiatrist? please help me doctors how chronic anxiety and stress cause this symptoms swollen lymph node and gastritis.