I wonder if she will approve..?
No. No she will not. But she might be able to hide that fact.
Oh, well...he's a grown man. Besides, I can always convert...
Converting is actually a bitch of a process. Be glad you're not male. A neighbor of mine was converting for his wife, and found out that since he didn't have the bris (circumcision) ceremony as a baby, he had to have it now--despite being already circumcised. The rabbi just nicked him with the razor instead.