Military Man

So this is a bit long and a bit weird (I think):

So about a week or so ago I met this dude on Tinder (since it's the only way I can make myself get out there and meet people). This dude and I matched, met, and we seemed to really hit it off (I even stayed the night at his place). He told me he was going underway (currently is) and I feel super shitty. I'm a hopeless romantic so I - of course - feel like we could really make something work, even though we're not dating and we've only hung out once. Communication is pretty much nonexistent, but I know why (amazing what happens when you're on a boat working).

I obviously want to hang out with him a lot more but that's gonna have to wait till he comes back, And I have no idea when that is. So my question is pretty much what the hell can/do I do?