Your daughter’s “cycles” are none of your dang business. If she’s feeling violated, by all means let her leave. Tracking something Hogwarts school of Witchcraft and Wizardry est c.1000 shirt that is just weird. This kind of behavior is gonna send her running out the door the second she turns 18. Use some common sense, man. How old is your daughter, what are the situations where he feels a spanking is appropriate, and what alternative methods of punishment have you discussed? It might be worth the two of you going to a counselor to discuss parenting techniques because this is a critical issue for raising your child. You need to approach it not from getting him to stop hitting her, to collaborating on the appropriate parenting tools for raising your daughter. This is not about taking sides, you need to be on the same side and do what is best for your child.