Tell me I'm crazy!

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So I'm 33 weeks 2 days and I'm feeling very self conscious about my body. This is my third pregnancy! Lately I've been feeling like my husband is cheating on me. But doesn't show it. He has never done so, we've been together 11 years. I just get very clingy to him and just want to be with him all the ( I know that's bad) is this happening to anyone or is it just me 😔 any advice someone can give me. Yes I've asked him and he assures me he is not. I mean I see where he is coming from, he doesn't have time to. Him and I carpool to work everyday! Except Saturday's, he goes to all my Doctors appointments for this pregnancy. His paycheck shows he's working. Idk I'm just very self conscious and have low self esteem right now.