Talk to him. That usually works.
Flirting is never desperate. It just tell someone you find them attractive enough to give them the attention.
No, it's very usual that the guy is older.
Cleavage
Some signs that an older guy may like you could include paying extra attention to you, making an effort to engage in conversation, showing genuine interest in your life, or complimenting you. However, it's important to also consider cultural norms and boundaries when interpreting someone's behavior.
try to be nice, but don't pay attention
He doesn't have to be older.
A guy may still be trying to get a woman's attention, even after he left her, because he may be playing hard to get. If a guy is still trying to get your attention, it may be because he still has feelings for you.
oppa for a girl to say to a guy hyung for a guy to say to a guy
It means that your all his attention and all he thinks about:)
Grow dredlocks
of course
Get nacked.