husbands disgusting habit

My husband has this thing where he will pick his nose and eat it. It's seriously SO disgusting. He lies about it all the time and says he's just itching his nose then biting his nail. I'm not that stupid. I love him to death, but it's so gross. 
It's too the point in the pregnancy where i get sick off everything and i cant kiss him unless he brushes his teeth. I hate holding his hand unless he washes it. I dont want to have sex because im so grossed out. He's a very clean and neat person except for that. What do i do 😩😩😩😩

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