I didn’t know who he was but this is what his Wikipedia article had to say about him, in the first paragraph:
I think your assessment of him has just been shot to hell. 
It always gives me a good laugh to see Wikipedia vandalism.
Nope–while the longevity of his marriage was unusual in the rock & roll world, FZ was notorious for coming home from tours with a souvenir for the little woman, requiring a penicillin regimen for the both of them. OTOH, the other members of the Mothers of Invention always bragged that they got more action than Frank did.
More MMVarying: I saw Elevation in Baltimore and Vertigo in Seattle. I also have the CD/DVD set of 18Singles, which features their Vertigo performance in Milan. In all three cases girls were brought up on stage but returned to the same spot.
More re Bono: I went to 10 Elevation shows and 28 Vertigo shows–whenever he pulled a girl up, she went back right where she came from.
On the other hand, Adam Clayton just ended his engagement so he might be on the prowl…