Hi, I suggest you to ask her out to meet her friends. Well, at least it works for me. Initially she a bit reluctant, but after few times, she will gets better.

In terms of breastfeed or formula, I said the same thing to my wife, but somehow being seen as "discouraging" to her and create stress for her. Her psychology is she wants the best for her baby, why no one is supporting? I would say just encourage to do her best in breastfeeding, and go out with her girl friends, makan, minum, wayang. The baby reject bottle because of nipple confusion. Once baby hungry, he will drinks. But try not to make big hole like old people always did. Small hole makes them suck harder and gives them feeling that they are sucking breastmilk, monitor and adjust. Once her feeling is better, then everything will sort out by itself.