If a guy says ‘I can do what I want when I want’ ? Is this an indicator he’s not taking me seriously?

I’ve been seeing this guy for 6 months. I asked him on the phone the other day if he’s going to a rave this weekend and he said ‘I can do what I want when I want so I don’t understand why you’re asking and being so bossy’ would this indicate he’s just doing what he wants while I’m out here staying loyal?

If a guy says ‘I can do what I want when I want’ ? Is this an indicator he’s not taking me seriously?
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