<human>: Can you condense the text into three sentences or less?

Last night I ended a three year relationship with my girlfriend. I do love and care for her, but what we want in life right now doesn't coincide.

She wants to move out, get engaged, start a family. I want to travel, go to school, do exciting things. 

My (now ex) girlfriend was completely surprised that I wanted to end our relationship, this has caused a bit of rampage. She is berating me with phone calls and texts. Long facebook messages and voicemails in tears of "I want you and only you, please don't leave me!". 

I'm not sure how to handle all this and I feel really guilty.. but i think it's best for the both of us if we move on from here..

I want us both to move on and be happy but I seem to be her only source of happiness.. I just need some encouraging words or advice on what to do..
<bot>: Broke up with girlfriend of 3 years because we wanted different lifestyles. She's messaging/phoning me in all ways possible, and I feel guilty because of these messages.