There's nothing like a near-catastrophic accident to remind you there's a heart pumping in your chest and that two feet on the ground is probably the best way to go about living. That's essentially the feeling captured on /r/nonononoyes, a subreddit dedicated to the very finest in prompting acid reflux and pushing you to the exact moment right before throwing up.
Delightful, right? Don't worry, all of these situations work out. Quite well, actually.
See for yourself: