Really close friendship with married man, game of seduction or emotional affair?

If a man in this friendship always praising woman (me) as a person. Constantly emphasize my virtues but downplay flaws (almost like women do between themselves). I admit that I enjoy the attention from him and I get it plenty. Telling me how good looking I am (beautiful, hot, blossoming, radiating...). Talk on the phone and text almost every day. Use a shared interest to be able to see each other more than it would be possible otherwise. Talking about each others lives (financial, emotional, work, kids). Always asking and wanting to talk about my husband and eventual problems I might have with him, but shyly and hardly ever talk about his wife. Being there for each other in hard times and giving support. Emphasizing our closeness and how he can almost read my mind, knowing/predicting how/what I'm thinking. Few times said how he wish we met earlier (hinting of the time before we were married). Giving me "all" I want to make me happy. Said himself it's important to him that I'm happy. The biggest was ditching few friends because I didn't get along with them. I told him that nothing will change between us if he stay in that thing with those people just that I don't want to hang with them. He said that he chose me and why don't I get that and then stopped hanging with those people in the things that include me. I'm really confused about everything. I admit I like him, but don't want to jeopardize my or his marriage. What to do?
Really close friendship with married man, game of seduction or emotional affair?
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