SJS, Lack of a “strong emotional connection like love” is not one of the halachicly acceptable reasons entitling one to a divorce.
Wolf, We don’t rewrite our own S”A. It is often difficult to formally produce incontrovertible evidence that someone has physically abused his spouse (see Rama, E.H. 154:3). In Rav Moshe’s teshuva, official medical records proved the woman’s claim. The Teshuvos Nodah B’Yehudah E.H. 54 (cited in Pischei Teshuvah E.H. 157:9) says you cannot go on her word alone.
Rabbeinu Tam said, “It is preferable for a woman to be an Agunah her whole life than to get a doubtful GET.