Becoming an older sibling is an exciting moment, but also a big responsibility. In the video below, a little girl can’t contain her excitement at meeting her new baby brother, and it’s simply adorable. There is just something so touching about little kids meeting their baby siblings for the first time. Their reactions are the perfect combination of excitement and concern. Plus, they have no idea that one day that they’ll be fighting with that tiny person on the backseat of the car about who mom loves most. It’s important to take advantage of the good times while they last, so take a look: