<human>: Backstory: I've been dating this girl since high school, we had a somewhat rough relationship early on because she was dealing with deadbeat parents, a bad breakup from her last ex-boyfriend, and general trust issues I guess. I put a ton of effort into our relationship and was constantly supportive and whatnot, and we basically worked around some of her issues to the point where we were both very happy together. We ended up going to college together and things began to deteriorate, I guess.

Now, I fit a lot of the 'typical redditor' tropes- I had a pretty cushy upbringing and as a result didn't become particularly independent, I'm smart but very passive and generally unmotivated, and have minor anxiety issues. My girlfriend, on the other hand, is fiercely independent and far more mature than I am. To put things bluntly, she adjusted far better to college than I did. I've struggled to make decent grades, make friends, and just take advantage of opportunities while she's out running for student council. And our relationship has really suffered- she's been feeling like she's "obligated" to do things with me, she's not happy at all, and she recently said she needs some time and space to think things over. If I don't turn things around soon, she is going to break things off and we both know it.

Honestly, I don't know what to do anymore. Being in a high school relationship was easy, dealing with parents and gossip and stupid teenager drama, but I just haven't handled the transition to an adult relationship well at all. In the beginning I put in 90% of the effort to make it work, but that's totally flipped now and I just haven't been able to hold up my end of the responsibilities. Basically, she's been feeling like she has to almost take care of me, and that's the last thing I want. Don't get me wrong- I don't think I'm entitled to anything just because I was a great boyfriend to her in high school, I just want to get back to even stevens. I love this girl with all of my heart and want to be able to make her happy again.

Can you provide a brief rundown of the text in within 3 sentences?
<bot>: My high school sweetheart has matured much, much faster than I have. How I can get back to a balanced relationship that makes us both happy?