Harry smiles, hand sliding a little higher up her leg, enjoying the kiss and letting her deepen it, his other hand sliding down from her hair, down her spine. Used to whores and easy women, it wasn't a matter of how far he would go, but how far he could go before his brain's good sense interrupted his body's lusts.
And it didn't yet, which gave him the opportunity to use his body to push her down onto the bed, hand moving to rest on her thigh, other resting on the quilt just past her shoulder, effectively pinning her down.