 [ Symptoms ] i would like some help extending my sexual stamina i last with her on top but really short in other positions when my wife is riding me i last few minutes but if i am on top or behind her i only last a couple strokes desensitizing condoms in the past made me lose my erection what can i do to improve my stamina [ Disease ] hi there is a very simple exercise called edging ok you will find how to by going to www pegym com under just look under exercises think its page 2 also look up kegels these will help as well with pumping some extra blood down you penis and help with ejaculating do hope these help you good luck