They really are little challenges!! My puppy is a little bugger 95% of the time lol but she really is the greatest
and I love her too! I guess since she is only 12 weeks, you really are going to just have to restrict her to the xpen and the crate until you feel your comfortable with her having more free reign around the house. If she is out your are going to have to be extra vigilant so that you have the opportunity to correct her when you catch her in the act. Good luck and you can do it!!