Why is it important to notice other's attributes

Attributes (characteristic features) can let you predict and understand other people's behaviour. For example if someone is never late, and once they're late, you can assume they have a good reason or that something might have happened: in any case, this is good to know: if they have a good reason, you won't angry at them and if you think that something might have happened, you can work to find out what it was and help