My girlfriend shows no affection?

My girlfriend doesn't show me any affection like when I want to cuddle and kiss her she acts like I'm bothering her and when I call her she acts like I'm bothering her. We have only been together a year and we live with each other. When we cuddle apart if me wants to make it work and wants the cuddle but the other side of me feels like I'm forcing the cuddle. Even though we live together I pay most of the bills and she only pays her half of the rent I pay every other bill and she makes more money than I do. I feel lonely on my relationship
My girlfriend shows no affection?
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