What does 'See you sometime' mean?

Anonymous
Does that mean he wants to see me or not?

There's this guy I meet up with for coffee and just hanging out, at the end its always kinda weird. Well cos. the first time I went somewhere with him, it was his suggestion, to go to a cafe. Everytime we say goodnite, there are some variations of this line

"See you sometime."

The first time it was "See you sometime. I don't know when, but sometime"

once on the phone it was "See you soon" (even though we hadn't like set another date to meet)

I always thought 'See you sometime.' sounded so vague, that it was like trying to say I don't want to see you :S? He doesn't call me much, but we like talking to each other. He's quite busy, with work and hobbies, is that why there is the 'sometime' added? Am I overanalysing guys words or is there some significance to it?
What does 'See you sometime' mean?
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