So sorry you're going through this. It's my worst nightmare. One of my dck's last year had some weird spots on her, and her mom suggested I check for bed bugs. She treated it like it was no big deal at all! Apparently more than 40% of all apartment buildings in the GTA have bed bugs. They get through duct work.

About your fiance getting bites and not others, I have read that a lot of people will be bitten and not react at all. I guess your fiance is one of the unlucky ones.

What a mess, huh? FWIW, you can get a dog to come through and make sure you're "clean" after they do the treatment.