My ex-girlfriend's mom is calling me begging me to take her back what should I do?

I broke up with my girlfriend Vienna a few days ago and she has left me over 300 text messages and 100 voice mails. She told me a week ago that I had to choose between her and my boyfriend because she was jealous and I said I had to think about it. That night she tried to commit suicide and I felt so bad I brought her a puppy the next day and she has named the puppy after me and posts pictures of it on my facebook wall saying like "This is me and Ava I love her so much!" Now her mom is calling me telling me to take Vienna back what should I do?