<human>: Can you give me a shortened version of the text?

I like this girl a lot so I invited her to watch a movie with me, which she accepted! Since then we've had multiple movie nights however we haven't done much but talk.

She's told me a lot about herself and her family and I truly enjoy hanging out with her.  The only issue is I mostly always initiate texting or movie nights alone and she enthusiastically accepts...To her credit she has invited me to a couple

She also has massive delays between texts (like 2 to 4 hours) in between texts.  I don't know if this is common for her or a reflection of how she feels about me, but I do know she keeps to herself a lot.  I don't think she has made many friends in our grad school program and she is a very big introvert.  

So even without the initiation (both text), does she still like me since she accepts the movie nights?  Or does her introvert nature cause this?
I might be massively over thinking what's going on, and I should just ask her, but I don't want to lose a friend, and I will have to work with her for the next few years! Don't want things to be awkward...
<bot>: Introverted girl has movie nights with me, but only sometimes initiates. Am I overthinking it or does she actually like me?