So her only real problem was a boring boyfriend and crappy friends

no. the boyfriend was more than boring, he was friends with her lame friends and was happy about it. and she didn't love him(i would jump at the chance to marry someone i liked enough to date/live with. i am hard to get along with.). teenage girlfriend was because the teenage girlfriend initiated and she had no friends and her dad was not there to hang out and the teenage girlfriend initiated again at the right time again. and the job part was iffy but she might have just stopped working for a year or so to figure out what to do next. sometimes partners can house their partners while they figure stuff out. but i could be wrong on the job part.

She obliquely complains about taking initiative, and agrees with Annika that coming up with a plan for the future is pointless. That's her personality. She's with her boyfriend and friends from High School because it was the path of least resistance. Those were choices she made because other people were indicating that they were right, and required the least initiative from her to go with those courses of action.

Her boyfriend posting their elopement on twitter or facebook or whatever felt like part of the script to her, and she took initiative by breaking off the engagement, and again took initiative and did something emotionally risky by going after Annika's dad. Her arc is subtle, but at the end she eschews doing the easy thing and the thing that she is supposed to do instead having gained the self-insight to realize what actually makes her happy and taking action towards gaining that happiness.