Little boy has a unique bond with his sister

A boy with Down Syndrome and his sister are inseparable. Their mother is so touched by their bond .
A brother and sister share a unique bond, but this little boy takes it to a whole new level. His sister is cute, so he taught himself smile language so he can communicate with her.
In this new video , we see a brother and sister who have the kind of bond that only siblings — can.
As you can imagine, seeing your sibling smile for the first time would be an incredibly emotional experience — but it's made even more so by the fact that Bennett has spent years trying to convince Molly to speak. Now he can finally talk to her!