Boy trouble Please help me!!!!?

So I was talking to this boy on facebook alot like we talk all day till like 1am but he's in the 11th grade and im only going to be a freshmen next year..ok some of the stuff he says makes me think he likes me...but some times he calls me stuff like kido or his little friend...Ok so my best friend megan came down to visit and we all hung out it was kinda awkward.....then the next day i asked him what he thought of my friend and he said he thought she was funny and cute o.0 she's only a grade younger than him and she's VERY pretty i don't know what to do.... does he like me i mean we talk all the time or are we just friends and what should i do about my friend PLEASE HELP?!?!