anthro balls belly blush breath cheek_tuft chest_tuft chin_tuft claws clothing comparing comparing_penis countershading detailed_scales duo erection eye_contact facial_tuft fluffy_universe_furry_(model) footwear fur genitals hand_on_hip head_tuft humanoid_genitalia humanoid_penis inside locker locker_room looking_at_another male male/male multicolored_body multicolored_fur musclegut narrowed_eyes navel nipples nude overweight overweight_male penis plantigrade pubes scales short_tail side_view socks spikes spikes_(anatomy) standing tan_body tan_fur tuft two_tone_body two_tone_fur whisker_spots white_clothing white_footwear white_socks imperialhorizon dinosaur mammal reptile scalie theropod tyrannosaurid tyrannosaurus tyrannosaurus_rex ursid detailed full-length_portrait hi_res portrait
First they just wanted to compare size, but it seems to have turned into something more.