[His smile does flicker a bit at the word 'freaky', but otherwise he's just a mix of amused and nervous at Gar's words. And, even if Gar doesn't have an image inducer of his own, he's a bit jealous that he can grow and get rid of stuff like tails at will.

Kurt laughs as he falls over and then stands over the fallen friend.]

I think you might have some balancing issues to work out, my friend! It's not a bad look... but maybe a monkey tail would suit you better?