yes, in my humble (but experienced) opinion he was on a crack binge.
it is plain as day to me...I've seen it several times and there isn't any mistaking it
the STD testing is a good idea
even my own ex had told me to RUN
we are usually to confused, hooked in, mistaken about the disease, have our own issues, etc etc etc to listen to the "RUN" advice. most of us have to do a lot of work to finally learn to WALK. the odds of getting to a place of a minimally functional relationship? google the odds. HIGHLY unlikely.
don't get married until you know more, how can you possibly marry someone you don't know? and maybe don't want to know! welcome to relationship with Jekyll and Hyde
if you stay in it and you both don't get some really serious recovery you will also become Mrs. Jekyll/Hyde