I was in the same shoes as you as I reached in the bag of chips with the controller/mouse in the other, pondering upon the thought. Should I go? Is it worth it?

Well, the first few weeks are gonna suck ass bro. Like major ass. But this is where people make/break. The first week, IF you go hard enough, you won't even be able to walk at normal pace because you're muscles will be screaming in agony. But that's what is meant to happen.

I've been going for a year now and I love it. After the 1st 2 weeks of going consistently, adding alittle more here and there, you don't even get sore anymore. I go 4 times a week now. But I was never obese or really fat, I was just skinny fat so it didn't take me very long to drop the flab.
Do it man, you won't regret it. No I don't eat healthy, unfortunately. Im just too lazy to do all that shit.

All I could say is, if you decide to get fit you have to expect to do whatever you're doing forever. As soon as you go back to your old ways, you go back to your old body.

That's why the rate of successful weight loss is so low. You need an active life, not a short term diet and exercise plan.