<human>: Give me a shortened version of the text

So we met about 4 months ago, things went perfect for a month, we've been up and downhill a lot since then. Various reasons none related to sex. Actually rarely comes up. We've gotten close a few times but she backs out, which I'm fine with for awhile, not pushy at all. 

I'm 24 with a kid so waiting probably 4 or 5 years, possibly longer just seems silly to me. Like sex seems normal as part of a relationship to me, I'm sure others feel the same way. On the other hand it bugs me because when it comes up she starts a fight about it. I'm not pushy about us doing it as our relationship is that good sometimes I don't feel it's important at that time.

However after this long I don't feel like there's a goal to work towards, we're both extremely attractive, I have no issues getting it elsewhere if I was like that. But to wait so long scares me away, is it worth ending the relationship over? It's hard for me to work around that, impossible to communicate about it, it's basically how it is or I can leave attitude. When I've tried to end it before she begs me not to.

Other fine details: don't see each other a lot as we're both busy with college/jobs. Text/snap chat all day basically, I feel close, but more like it's a teenage relationship in my 20s.
<bot>: Girlfriend of 4 months doesn't put out, far from doing that, wants marriage first, far off that, is there a way to communicate and get a sexual feeling close, or is it worth just ending?