The only answers to procrastination are "are you motivated to do it?" and "is that overridden by a negative motivation against doing it"?

Avoiding invalidation is much more of a strong and personal negative override than I ever thought years ago. It can hit you as the OP implies - fear that if I'm not in control of my life people will think I'm a weak and submissive person, or if I'm not in control thats like my childhood and makes menfeel invalidated by comparison to a helpless child - or like other people in this thread are replying - fears about doing something well (will people think me a swot?) or doing badly (my spouse will scorn me?) or all sorts.

The most common factor among the replies here is stopping asking he question "what bad thing am I avoiding by procrastination" far far too soon, and/or accepting far too vague and unhelpful 'answers' as soon as they are thought of without realising they are unhelpful.