Offer to pay her.

You decide a straightforward exchange is the best approach. "Listen," you say. "I...am heading into danger tomorrow, and I'd really like some company tonight. Would you be willing to, uh...stay with me for a little while? Just an hour or so. I'll let you lead, whatever you feel like, but I could use the comfort." You smile at her in a way you hope is reassuring. "I'll pay you, of course."

"I...what?" Aline asks, slowly turning to you. She seems to be processing what you're saying.

"I'll pay for your company!" you say eagerly. "I can give you..."