Stand in (one's) own light phrase
To destroy one's own reputation by acting foolishly; to waste one's good chances or advantages in a stupid or careless way.
No one tarnished his reputation! It was him that stood in his own light!
You can't blame anyone here for defaming your reputation because you stood in your own light!
Don't stand in your own light. Grab this opportunity!
The verb "stand" must be conjugated according to its tense.
The origin of this phrase is not clear.
Suggest someone or oneself for consideration in a selection, such as a competition, application pool, election, etc.
Kamala Harris is expected to put her name on the hat for the US president.