she is your mother your mother always told you that she loves you than anything but she looks like more happier when she sees your high grades you are curious why your mother is more happier to see your high grades than you...? Next day you find out that your mom loves your grades more than you because your 2 bestfriends told you the secret of your mom and now you came back home and your mom look at you happily

Mom: did you get a high grades again sweetheart?

Your mom smiles sweetly