see a dr it could be a yeast infection, but see a dr.
and to post questions for yourself start a new question with the link on top of this page.
can you help me, i have a yellow discharge, and has a smell, but sometimes it doesnt have any smell, i dont have any contact to any men and im still a virgin, just masterbation, i wonder what it is and im scared.
I'd get checked. At this point, you don't have big reasons to trust him, so its better to be safe than sorry.
Aj
Have you been tested since you found out that the latest has been in December last year?
If he did it 16 years ago and did it again more recently I think it is probably a good idea to test again.