Am I repeating old patterns by falling for a woman who is unavailable?

I’m a widower and have become entangled with a woman who resembles my mother in ways that may not be healthyI had a wonderful marriage up until my wife’s death in 2017, but now I find myself involved with a woman who has made it clear there is no future, but keeps me dangling, which gives me false hope. My mother abandoned me for three months when I was four years old, and I always felt overlooked and unloved by her. She spurned my attempts to gain her approval and seemed to always f