Love life... yes, that was probably one of the social taboos that Al was still learning to identify. Even though, he was pretty certain that in this case, he was steering clear of any bodily functions, or suggestions of sexually transmitted diseases, or cases of coitus in the vicinity of Ben's piano.
He stuck to the safer topics nonetheless. "I never felt jealousy before," he informed Dom. "At least I don't know if I felt it. Perhaps I did but I might've misidentified it as something else. Is it painful? What usually causes it?"