You can't have your cake and eat it too
When wanting incompatible things simultaneously
What Does “You can't have your cake and eat it too” Mean?
Choices have consequences. You cannot have all benefits of mutually exclusive options. Making a choice means accepting what you gain and what you lose.
Origin and History
The proverb is recorded in John Heywood's 1546 collection as 'wolde you bothe eate your cake, and haue your cake?'. The older order ('eat your cake and have it') makes the logic clearer: once eaten, the cake is gone.
What Happens When You Break It
Refusing to accept trade-offs leads to paralysis, poor decisions, dissatisfaction, and ultimately getting neither option as opportunities pass.
Benefits of Following This Rule
Accepting trade-offs enables decisive action, creates peace with choices, prevents regret, focuses effort, and allows full commitment to chosen paths.