For some reason, a lot of women see their boyfriend masturbating as a negative thing. But just like us, dudes are perfectly within their rights to see to themselves when they need to. It's doesn't mean we're sexually inadequate and not giving them what they need. Plus, watching them do it can be seriously arousing. Here's 9 women on why they get off on watching a guy masturbate. There's nothing gets me off quite like seeing a guy jerk off and cum, especially when they're vocal about it with a slightly furrowed brow.