What does it mean when a guy talks about a future with you, but still says things like "it's my life!"?

When my boyfriend goes out with friends he never lets me know until he is walking out the door. it bothers me and makes feel like he doesn't respect me. I made a comment to him if he could maybe give me more notice so I could make plans. He took this as an order and said, "it is my life and I won't take orders." I definitely wasn't giving him orders! If that was the case why wouldn't I tell him to ask to go out?
What does it mean when a guy talks about a future with you, but still says things like "it's my life!"?
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