A commingling. No ionic or covalent bonding as far as I'm aware.

[It's a bit tongue in cheek. It's a funny thought, a vampire bringing up bits of dirt with him when he rises, leaving behind bits of himself in the soil until eventually there's little left. No one has ever said his humor isn't morbid.]

That would be revenge.

[He laughs a bit before eyeing him speculatively.]

I could bite you. As a human, the experience would be very different from what you felt before. More encompassing.