Forgetfulness can ruin one's day, forcing you to do things not planned out for the day and most times, could delay lots of things which on a normal day you could have get done with it. Out of hurry, we forget things and that can make us feel bad about ourselves because at that point, we feel like if only we could go back to change things and avoid such. Great you were able to make it to your son's school and gave him the drugs.