[ Oh! He's too taken aback to answer for a second as she links their arms together, pleasantly surprised by the contact. ]

I'm not afraid of heights! [ Another nervous little laugh which could make it sound like he's lying, but, no, really. ] No, no, it's totally fine. But, um...

[ And he leans into her a little, bringing themselves that little bit closer together. ]

Thanks for the offer to keep me safe, though. I trust you... and I know this'll be fun with you.