Zweisamkeit. does this mean something?

i have a crush on a friend of mine. he mentioned that when we were in calls together that we were in zweisamkeit and asked if it had an English translation. i looked it up, and the meaning was to be alone together (and was often used more romantically than platonically). was he flirting, or maybe hinting at something?
yes, he was flirting.
no, he was not flirting.
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Zweisamkeit. does this mean something?
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