Why do I crave his presence every second?

there's this guy that I'm dating right now and he's in the navy so he wanted to make it official once he comes to my city soon. We're on the phone everyday and we flirt with one another. We were talking about kissing each other for the first time and how magical it would be. Out of nowhere he told me he was wet and I was as well. What is this feeling? How are we able to have a emotional connection and have so much in common? but we never met. It's like we've known each other for years. I think about him every second , I hear his voice continuously , and I continuously have visions of us spending time with one another and he always says : " when I see you I'm going to show you how I'm feeling." Now I have visions of us making love to one another and it makes my stomach feel nervous.
Why do I crave his presence every second?
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