Student: You seem like the perfect mix of cute & trouble 
Her: Called it 😂
Student: Cool. I’d know just how to handle you 😏 This kind of message with a sexual undertone can work well on some girls. It can be a good way to screen early on if the girl is DTF. However, this girl ghosts for a couple of days so he has to reopen her. 

Oh no, made (her name) shy.
 This is one way, in this context, that works as a way to reopen. 