<human>: Could you distill the essence of the text into 1-3 sentences?

Her (F, 18) and I (M, 18) have been dating for about 2 1/2 years now and it has been fantastic. We've never had a fight worth losing sleep over or questioning our relationship, and have never had a reason to worry about splitting up. However she's been accepted to a distant college that will let her further her life for the better, and I've been behind it 100%. 

But, as of late, it feels like she is distancing herself from me when we have the chance to be physical and together. I work a solid job, 7-4 Monday through Friday and she is gone every weekend through her work, so the little time that we have to be together I want to spend being close with her. 

My question comes now. Whenever we are laying together, whether it be with her parents around (we both still live with our parents) or when we are alone snuggling, it seems like we are miles apart. 

So /r/Relationships, my question is how can I approach her and get her to talk to me about what is going through her mind? She is generally a very reserved person when it comes to things involving her emotions, and I've often not tried to push her too hard.
<bot>: I feel like my girlfriend of over 2 years is distancing herself from me physically the few hours we are able to be close to each other, and can't think of how to talk to her about it.