Absence makes the heart grow fonder.
It’s a play on the phrase “quid pro quo”, meaning something given in exchange for something else.
Flipping a coin would not accurately reflect the true probability.
It’s unclear what the implied admission would be for.
The phrase “no offense” tends to indicate that one knows what one is about to say will be insulting, but will say it anyway with the hope that starting the statement with “no offense” will exonerate oneself from any consequences.
When it comes to learning a new skill, slow and steady wins the race.
The wheels turn slowly, but they do turn.