I made a girl cry in my dream?

so theres this girl that has a crush on me. but the thing is that she is very shy in person i mean around me. she talks to her other girl friends when im there but doesnt talk to me much. but lke she texts me and on facebook she talks a lot with me but not in person. and i know she likes me kind of i think because her friend told me. well last night i had a dream and i made her cry in my dream. what does that mean? like she i literally made her cry in my dream. can someone please explain that to me. and why isnt she telling me herself that she likes me? i mean if only she would show some signs and i would like talk to her and stuff. please help me im confused