She wasn't underaged but admitting that wasn't going to help her point.

Clary turned back around when she was sure that he was in the water, her palms rested on her hips while bright green eyes directed a sharp glare his way. "Hardly." Her skin was marked similarly to Isabelle's with dark runes painting ancient shapes into her otherwise pale flesh. Clary had less than the veteran Shadowhunter but she was slowly gaining more marks with each new adventure.

"That doesn't mean you have to make your need to strip my problem." This was definitely in the top ten stupidest things to argue about but Clary didn't care.