I can't consider a pussy someone who wins, only with his fists, a
knife fight and doesn't think for a moment to run from it.
The MC is not afraid of challenges, but he doesn't need to steal any girl (right now). His priorities are the girls in his harem, where he won't accept any other guy among other things to avoid health issues as
HypnoSoul said, not stealing random girls.
If the chance arises to improve the life of a girl he cares for by stealing her, he will do it. To fuck a random girl, he won't. He doesn't need it.