How can I tell if I’m just wanting to get in his jeans or if we actually could get married ?

He’s a work crush and he’s hit in me months ago when I changed my hairdo. Hmm.
Sometimes when we do small talk (we aren’t same dept so it’s once in a blue moon), I feel like a sense of peace or like he’s protecting me when we discuss anything about our lives (it’s never that deep, we aren’t that close) but I get a feeling like wow… he’s my peace or something

How can I tell if I’m just wanting to get in his jeans or if we actually could get married ?
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