Would a guy pay for your meal if he wasn't interested in pursing something with you?

So I was out with a group of friends to eat and I had never been to this particular place before and everyone knew it. This guy I like was near me in line and started showing off something I made for him, for Christmas, it was in his wallet. We got to the counter and he had me go first. I was about to pay for my meal when he tells me he will pay for it, in honor of it being my first time eating at this place. Do you think he is trying to show interest in me (he is a self professed shy guy), or was he just being a nice guy?
Would a guy pay for your meal if he wasn't interested in pursing something with you?
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