Guy friend checks you out in a bikini?

Was at the pool last weekend with a group of friends, so obviously I was wearing a swimsuit. It wasn't even that revealing, it was a more sporty-style top with a high-waist, full coverage bottom. There was one guy there who I suppose I would call a friend (although I don't know him that well) and I definitely saw him sneaking a peek at me in my swimsuit. I've always thought he was cute, but he's never shown any real interest in me before - should I take this as a sign he might be open to something, or just a sign that he looks at all women in swimsuits? Lol
Guy friend checks you out in a bikini?
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