Life My boyfriend’s sister derails our dog training. Can I refuse to let her puppysit? July 11, 2022July 14, 2022Morgan Absher, USA TODAYComments Off on My boyfriend’s sister derails our dog training. Can I refuse to let her puppysit? My boyfriend's sister loves dogs but lets them do whatever they want. We are training our dog to be calm and confident, but she doesn't respect that.