What life skills are rarely taught but extremely useful?

Parents focus on making their child a perfect fit in the society. They try to teach him everything from academics to swimming. It is high time parents focus on understanding whether the child is performing basic life skills properly or not. They should help the child understand and develop life skills. Some rarely taught but important life skills are:

Letting go of perfectionism

Basic cooking skill

Finance management

Self defense training

Effective communication

Ability to recognise and accept your mistake