Your a girl and 2

You met a girl in Kindergarten, her name is Momo. You play everyday in Kindergarten and sad when your parents come to pick you up. One day when you came in Kindergarten you didnt see Momo anywhere, you thought she were sick and come today. Then suddenly you see Momo playing with another girl in the play corner, shes new and her name is Mina. You feel some kind of...Jealousy

what will you do?