Respiratory or mental disorder?

An orthodox friend of mine, seeking a match for his daughter asked me how fatal asthma can be. Raised in the best tradition, I countered his question with another: "Why do you want to know?"
Turns out, a boy from his list of potential matches was seen using an inhaler.

"So? How do you know it was for asthma?" I asked.
"Well…... he was seen puffing an inhaler……"
"Wouldn’t it be wise to ask the guy why he used the inhaler?"
"Actually, it’s not my problem anymore, he’s off my list...."