Anna eventually ratted Vito out and he did nothing to her that we know about. He loses toughness points in my book for that. Compare that to Mad Sam DeStefano who made his wife have sex with a random black dude off the street once when she pissed him off.
Imo, this has nothing to do with "toughness". From such a perspective, every lunatic would be tough...
"It was between the brothers Kay -- I had nothing to do with it."
