She's not one to complain about someone offering or giving touch, but she does seems surprised as he's able to pick up his greataxe with one hand and... stick it to his back with-- magic? Incredible.

 "Mm, lean on me however much you want." She ignores his comment about strength, only nodding as they stagger along, maneuvering about the vines carefully. While it's certainly true that she is giving away how much she can support, she is limiting herself with how fast she's going.

"G-goodness... were you exploring by yourself? I'm sure your axe would have made the perfect vine-cutter. Or bone giraffe-killer." A beat, then she continues uncertainly, "That's, um, that's... blood on its edge, too..."