Great rebuttal

mum [那只老鼠(my hamster)这样可怜，被打到遍体鳞伤]
me [对咯，很痛leh]
mum [你又知道它痛？]
me [你被人打会痛对吗]
mum [你被人打了还会去跑步meh？(The injured hamster was running on the exercising wheel)]