4-Year-Old Experiences First Heartbreak [VIDEO]

We've all been there, when we find out that someone we like is into someone else, and not you. Well, this 4-year-old boy had to learn at an early age that sometimes girls will break your heart.

Watch as this little boy learns that the girl he has a crush on is into another little boy. This poor little fella's heart is broken, and it probably won't be the last time.

"Puppy Love" can sometime be cruel.