Yes,even if he wasn't able to love,he could have felt pleasure and sense of power,having lots of fans and using them for his purposes

He had the appearance for it, and he seemingly charmed young Ginny without much effort. While love is impossible for the man to feel, that doesn't mean he didn't induldge in fulfilling pleasure and dominance.

He gives me shivers, he does.

(Joke... >.> or not.)

No, I think he'd try to distance himself from others and the witches that did -at some point- throw them selfs at him would eventually be warded off by his murderous tendencies xD