The cheesy grin for mommy : Waiting for the school bus , rain gear and all : And into the school bus he goes : The hardest part for me was the after - school part . Trying not to think that he will get off the bus at the wrong stop . Thankfully he did n't and I was waiting there for him at the same spot and when I saw my little guy get off the bus , I knew I was going to be ok . I made it , it was hard , the fear was real but he made it .

Give answer the following question using evidence from the above passage: What may be the reason why they were so scared ?
It was their son 's first day of school .