I was in a coma for 3 days.

I was told "You were in a coma for 3 days".

Last thing I remember happening: Running away from my friend (playing tag), turn to see the corner of a brick wall, black out for 1 second*(literal "1 Mississippi"-type "1 Second"), ask what happened, told 3-day coma, look into mirror and see massive scar across my upper-left forehead(3 days seems plausible)*.

<INSERT YEARS LATER>

Still have the scar.

Bring it back up, mentioning "3-day coma".

Mother says: "It wasn't 3 days, what do you mean?"

<END>

I've still been telling people it was 3 days, because "Years Later" is actually around "9-10 Years Later".