You think wrong honey. My husband is also that type… he will never say “I miss you” even when I went to Pakistan without him for 3 weeks. Mein taras gayee thee… I was like you didn’t even miss me one day and he just smiled 
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See, men don’t express their emotions like us women. He is probably missing you but he won’t even acknowledge it, that doesn’t mean you’re nothing to him. Stop being so insecure, he wouldn’t have married you if he didn’t like you and WANTED to marry you.