My Girlfriend talks to herself a lot. Is it just me?

We've been together for close to 3 years. I don't think I ever noticed it in the first year or so, because we weren't living together.

She'll talk out loud very often throughout the day. If it's 'I'm going for a smoke', 'I'm going to do this', 'I'm going to do that', etc...

I know that many people are like this, but it's constant. It's difficult to concentrate on things I might be doing and it affects my energy and mood quite often.

I don't know what to do.

My Girlfriend talks to herself a lot. Is it just me?
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