It is FUN, and she is quite relaxed by the time he cups her breast in his palm. She makes a pleased gasp when he massages her breast and when his thumb grazes her nipple he drags the first moan of pleasure of the evening out of her.

She deepens their kiss, reaches out to touch his chest, explore, fingers light against his skin.

[They have no idea, but that just means he has her all to himself.]