What does it mean that my fiance spends more time with his friends than he does with me?

My fiance and i have been together for 8 years. we are both 31 years old. ngl it has been real tough recently. i’ve been nagging and complaining a lot more recently. he barely calls me or texts me anymore, we barely hangout anymore. when i do call him he doesn’t answer or he just doesn’t say much on the phone. when we do hangout, he gets busy doing things around the house. he told me the other day that he doesn’t call me much because i either complain or nag or i have my phone on silent. i admit i do do that a lot. which makes me sad. i can’t blame him for not being enthusiastic to call or hangout with me much anymore because it is 100 percent my fault but it does make me sad that he doesn’t. i don’t know what to do. i want him to be obsessed with me in a healthy way. and i can tell he is pushing himself away. what can i do?
What does it mean that my fiance spends more time with his friends than he does with me?
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