Oldman.setHealth("dicktits"); //normalize pls
Oldman.setHealth("-100±1%"); //make percentage pls
Oldman.setHealth(0.0); //it is subunitary, but undefined behavior - will it access the 'numeric value' overload, or the 'subunitary numeric value' overload?
Don't write your own code just yet.
Holy shit, so you mean you made accounts posing as men and got content targeted mostly at men, presumably based on what other men have interacted with in the past? Say it ain't so. Why would the algorithm do this?