[ In her present state of mind, it's not so hard for her to shrug off the nearness, since he's shrugging it off to start with. Or rather, his other words catch her interest sufficiently to make her overlook his odd behavior. ]

Oh! You mean like what they have in the gym? [ She looks genuinely excited about the prospect, now that it's occurred to her. ] Those seemed so fun...! But I was scared to try it back then, because-- [ She falters, as if she has trouble remembering quite why one ought to be afraid of such things. ] -- Mm, it doesn't matter. I'm sure it'll be fine if we go together...!

[ And around then is when she realizes he's giving her an uneven expression, which causes her to pause. Not to, you know, actually let go of the spike she's just closed her fingers around, but she does at least still enough to give him a puzzled stare in return. ]

… Yes? I didn't fall, or anything.

[ Clearly that's the only possible reason she could have for potentially being not-okay. ]