What should I do if I'm not attracted to my wife anymore, but I still love her?

We've been married for 4 years and together for 7. I love my wife, but I no longer feel physically attracted to her. Her depression has worsened, and she’s become very dependent, jealous, and has gained weight, which affects our relationship. I haven’t been honest with her because I don’t want to hurt her, but I’ve also started developing feelings for a female friend. Should I tell her the truth, wait to see if my feelings change, or do something else? What should I do?

What should I do if I'm not attracted to my wife anymore, but I still love her?
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