DEAR ABBY: I have been married to my husband for 12 years. We have had our ups and downs. I was unfaithful at one point, and he left for eight months, but we worked through it all. We are now coming out of another really rough patch involving a lot of arguing and talk of divorce. I’m having a hard time because around the time he left, I started falling out of love with him. I tried my best to be a good wife and do what I am supposed to, but this last bout of unpleasantness has left me feeling empty and no longer in love. There is now someone in my life I have developed strong feelings for. I i…