OMG I can't believe you have to wait so long to get your ultrasound!
: That's just crazy-making. But the no cramps part sounds good, promising. I've seen a lot of women here on the boards that bleed-- sometimes quite a lot-- and everything turns out to be fine. I think this will be the case for you, too.
To answer your original question about losing several pregnancies and staying sane... really, my sanity is questionable.