What's the one thing guys do that girls mistake as a guy having interest in dating them?

Whats the one thing guys do that girls mistake as a guy having interest in dating them?
Look at them a lot
Check out their butt
Make small talk with them
Complement a girl on nice hair style
Complement them on their clothes style h
Help them with a bag of groceries to their car
Helping them out with a rude guy bugging them
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Feel free girls to comment Anoyamously a. Guys
What's the one thing guys do that girls mistake as a guy having interest in dating them?
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