Is it ok to date for a year someone I don't see a future with?

We've been dating for 5 months now, he already asked me to move in to see how things go.

Unaware, I'm agreeing to it precisely for that.. I don't see a future with him. I'm just dating him. I go traditional on a guy I actually see a future with and not just ''see how it all goes''. I'm going to break up eventually. With him, I just want to date to date.
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He talks negatively about things I care about. Within me he's already been judged as someone I'll never have a future with. But I'm still too young myself so I'll just date him for a year and then dump him afterwards.
Is it ok to date for a year someone I don't see a future with?
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