Nazar was put in a bath for the first time today, admitidly the water was fairly cold so it might've just been a slight shock? She imminently puffed up (she's never blackbearded so far) and after a minute or two she dunked her head underwater and was opening and closing her mouth, I took her out right away and she puffed up again and tried jumping back in so I let her, this time she watched me for a bit before very slowly submerging her head underwater and opening and closing her mouth again? Is she drinking or trying to breath underwater? What's happening and is it okay to let her do this?