Married man told me he wants to run to me and I’m not sure how to respond?

I’ve been friends with a couple for a while and the husband and I have a weird history. We’ve known each other for a long time and he told me last week that he wants to run to me and I don’t know what to say. What does he mean? We’ve never had any inappropriate conversations, but I do enjoy his company. I’m just feeling very conflicted.
Married man told me he wants to run to me and I’m not sure how to respond?
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