Rip wanted to find the nearest building and fling himself off of it. Anything would be less painful than listening to Snart allude to stick grabbing. And while there was a small part of him that told him just to turn around and leave before this turned into a thing, he was being asked questions and leveled with irate skepticism, and he wouldn't just walk away and leave this the way that it was.
"Yes. Considering he's supposed to get married, develop groundbreaking technology, and patrol and protect Central City for decades to come, and you're..." Rip paused, hand up as he turned his attention to Snart with a slightly raised eyebrow and a soft frown. "Well, your larger fate is yet to be determined, Mr. Snart, but as of our last little expedition, your impact on the timeline remains minimal. However, this could screw up a rather large part of it. Up to and including erasing the Waverider from existence. Which would leave us all in a rather nasty pickle, don't you think?"
It all made perfect sense to him. How they couldn't see it, he would never understand.