EQ - sounds a lot like my W and the situation. The best answers I came up with and I believe to be true for her behavior are: she is conflict avoidant; has high anxiety; people-pleaser; unable to communicate her needs. I also suffered similar things except high anxiety. Maybe your W has similar issues.
Yup. Not even funny how accurate.
H: 35 W: 33 M: 11 T: 13
4/10/18: I discovered A and confronted ("BD1") 6/23/18: I moved out 8/31/18: MC ends ("BD2")