You have no obligation to keep anyone in your life, especially someone that wants to keep you as an option in the future.
Suddenly his demeanor changed, and he became more somber. “My wife doesn’t get me these days.” Perhaps he was expecting me to divulge something about my husband and a lack (he hoped) of communication and affection. I remained silent, and he smiled, reached his hand over, and slowly squeezed my upper thigh affectionately.