Boyfriend took away my child's food as discipline?

After school I usually pick my child up my boyfriend offered me a ride to pick her up today because he took off of work so we could spend the day together before we picked her up he stopped at McDonald's and got her a happy meal after I picked her up and got in the car he told her he was not going to give her the happy meal and was going to eat it himself because she "has a attitude not smiling and being mean to him" she told him she did not have a attitude and she clealry was sleepy I cooked her a hotdog and about 10 minutes later he told me he was joking and was going to give it to her he just wanted her to stop mugging I have packed out bags and plan on staying with my sister for a few days he says I'm over reacting and will get her a new happy meal am I over reacting?
Boyfriend took away my child's food as discipline?
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