This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!
Dogs Teach Us An Important Life Lesson
Basically: Be nice to others, because time will make a difference. You never know how things are going to turn out.
Want to get your very own quizzes and posts featured on BuzzFeed’s homepage and app?
Become a Community Contributor.
Become a Community Contributor.