What subtle hints do girls drop in conversation?

So I talk regularly to this girl who has mentioned a few times that she’s dropped subtle hints about something (I do not know what) during conversation many a times.

I am no good at all at picking up subtle things at all, in fact, I’m pretty oblivious to lots of things even if people straight out tell me something!

So the question is, what sort of subtle hints do girls generally drop in a conversation? I’m thinking she’s dropped in something about her liking me, or something along the lines, but I honestly have no idea! So I’m posing the question to you all :D!