A Challenge or really something?

so i have been talking to this guy since last 6 months he happened to be my quiz partner we have same music taste and shared tons of tracks and albums during this lockdown , we kinda became good friends. we have literally talked for hours daily but since last month he had suddenly started flirting with me and i don't know what changed does he really likes me or considers me a challenge (as i have never been in a relation he knows this ) or he is really into me
A Challenge or really something?
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