How do you flirt in a way that's so subtle it could be mistaken as friendliness?

[Anonymous]

[ScottBae]

First question. Is there someone you have an interest in? Need to better understand before I help

[Justaguyagain]

"You are really a person!", "You have nice shoes!", "I don't feel disgusted when i look at you", "your company is very decent", etc

[MementoMori777]

Middle compliments, not top tier, not low tier but in the middle

[brandon1122]

Are you already in a relationship?