Gently

You smile at her kindly. "That must be a difficult decision. I know when I was younger it was hard to keep my urges... under control." You chuckle, "sometimes it still is."

She smiles back at you, then pauses as if considering her options. Then she puts her hand on your bare chest. "You've always been so kind and understanding, Dave." She takes half a step closer. "Do you think... you could teach me?"

You don't have to be asked twice, but you also don't want to scare her off. You step a little closer to her, as well, so that you can feel each other's breath on your skin.

"What do you want to learn?"