I used to pick up a friend on the way to school to pick up ds (her dd goes to same school). Anyway there are roadworks now in that direction - temporary lights at a main junction, only one lane open and it is slow so I have started using a different route. Anyway, at 3pm, the time I leave, she called and asked which way I was going so I told her it would take too long to go her way and was going a different way. She said no the traffic is not too bad so I went that way, got stuck in traffic picked her up and was a few minutes late picking up ds. It wasn't a disaster or anything and I appreciate that the weather was awful but I really minded that she expected this of me.