The reason it seems to work for Muscle Expert is that women are more prone to want sex with muscular guys anyway (see http://www.reuters.com/article/oddlyEnoughNews/idUSEIC04599320070710). I'm thinking it's not his M.O. that's actually at work here as it's more likely the sexual appeal his physique has. The dude's a body builder.
But the O.P. may not share that attribute. Dry humping her, for him, may not be the way to go.
But the O.P. may not share that attribute. Dry humping her, for him, may not be the way to go.