Was he flirting with me or just joking around?

i was hanging out with this guy i’m into, we just kind of drove around for 2 hours, talking, listening to music. and he said something about wanting to get drunk with me and seeing me drunk and i told him, oh no like i need to be put on a leash when i’m drunk bc i’ll be running away and climbing on things like it’s bad. and he said he’ll put me on a leash, i didn’t really know how to respond but i couldn’t tell if he was being flirty or not. He said he wanted to go Canada with me too. and when we were at a park, he asked me how tall i am, i told him i’m 5’0 and he said i was perfect height, like perfect height for him or in general? and when we were at the park we were both kind of quiet, it wasn't all that awkward, we just enjoyed the silence and hearing the owl and he didn’t even bring his phone at the park, which surprised me. he wasn’t on his phone at all unless it’s to change music and it just felt nice, i hadn’t had a like that in awhile so yeah was he being flirty, does he sound interested
Was he flirting with me or just joking around?
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