How much effort would you put into a FWB?

I've been seeing someone for a while now but we don't call each other boyfriend or girlfriend. I would like to. He works A LOT and travels for work but texts me all most everyday and sometimes we have text convos that last all day. When he can he wants to hook up. I told him I date for a reason and he said he knows and he keeps trying hard to get me to meet you with him but he won't call me his girlfriend. Am I just a FWB? WOuld you do all that texting and deal with our busy schedules that only allow us to get together once in a while if you only wanted sex?
How much effort would you put into a FWB?
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