Getting home was all I cared about when I first landed,

[ is an easy admission to make. It's the only one that makes sense. What kind of nutjob would start making themselves comfortable, in his scenario? (The ones from the mushroom apocalypse, probably, but that'll make sense later.) ]

And I was pretty willing to spend all my time and whatever resources I could wheedle out of Mr. Baudin to make that happen.

[ Historically, there haven't been a lot of problems he couldn't solve through sheer force of will and a couple of loopholes. ]

I don't know about obligation. It's more like if you see something that could be fixed, improved, whatever, how do you just not. You know. [ Stupid sexy Scott Lang, coming in and ruining his retirement. ]

So what obligates you? Probably equally dramatic I bet.