Why not consider an age difference? The thing with poly is that there are options. Why not consider a woman who has had her kids, her husband, her house etc and wants to be more independant. You were saying you would be okay with a gf leaving to go and do more traditional stuff, well why not think of someone who is at a different life stage. My Mono works well for our dynamic because he doesn't want a wife. He has done all that and wants different things now. He isn't older, he's actually younger, but finding a woman who has been and done that means older perhaps.
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