While trying to explain to his son that it's important to maintain loyalty to a sports team rather than being a flip-floper, this dad caught his son's reaction on video and it's pretty stinkin' cute.

"My 4-year-old son was highly upset I didn't let him root for the Yankees (we are all Mets fans in the family)," the dad wrote on YouTube. "Was trying to teach him a lesson on loyalty to your team and learning how to lose. It didn't go to [sic] well! LOL."

I particularly like the part where the little boy tells his dad that he's hurting his feelings.  Check it out: