Is it weird he says I’m always welcomed to come instead of I want you to come? am I just tripping?

Maybe I am just over reacting. My boyfriend is taking his son to Orlando for a week. He told me I am always welcomed to come if I pay for me and my daughter tickets he’ll pay for the rest of the expenses. So I decided not to go because I can’t really afford it right now.
Is it weird he says I’m always welcomed to come instead of I want you to come? am I just tripping?
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