Do men talk to girls they’re not interested in or attracted to for a long time? How do I know if I’m annoying him?

We talk every day for 30 min at a time and 2 or 3 times a day. I'm usually bored and I'll swing by his office to chat because I enjoy him (personality/energy). Once in a while, he’ll visit - mostly to chat or swing by and we’ll walk to a meeting together.

When we chat it's normally about our interests/work. We laugh a lot. He does keep the conversation going and he remembers what I say and listens.

Do men talk to girls they’re not interested in or attracted to for a long time? How do I know if I’m annoying him?
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