Guys, My ex wants to go swimming with me?

My ex and I have been friends for a long time and have been through a lot. We even have lived together as roommates before I moved out and we got together a few years later. We’ve been broken up for 2 months. The reason for the breakup being I know he’s moving away for training, and I was afraid I couldn’t do long distance in a military capacity. I since think this is a mistake and I should’ve tried harder to figure it out, but he says he needs to keep his head on straight and focus on training and that he doesn’t want to get back together because it’ll hurt more when he leaves. He says the friendship is important to him. That said I know he’s still attracted to me, I know we still love one another, and he knows I’m not interested in casual anything. Fast forward to him asking me to swimming with him at a lake I’ve never been to?

Can anybody tell me possibly about what he wants or hopes to achieve by this…? Is this just platonic?

Guys, My ex wants to go swimming with me?
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