Relationships frequently have arguments. It's expected that you won't agree on everything.
She is merely attempting to inject some spice into the relationship by starting fights over issues that are probably unimportant.
She doesn't inquire as to your want to travel or engage in novel experiences with her.
She doesn't inquire about your activities or how your day was. She simply has lost interest in you.
In any relationship, having alone time is crucial. You need a break so that you can miss each other!
You just...have to...manage to balance your time between your buddies and your relationship.
She isn't discussing how she feels with you about the monotony, bare-bones nature, or blah-ness of the relationship.
If she's honest with herself and you, she'll speak out about how she feels.