It's all FLIRTING, unless you are being YELLED AT, then it's not.
Flirting doesn't mean ROMANTIC INTEREST, it's just A WAY of making contact with Someone, Stranger, Acquaintance or Friend.
The WORDS USED, determine if there is Romantic Interest.
If you are AFRAID to speak up to someone, I PROMISE YOU,
there are OTHER PEOPLE that AREN'T.
Do you want to wait and see if I'm right?