Does she ever worry that a happier temperament might interfere with her kind of creativity?
If the prosecution can find cause to slip it past the judge - who may rule against anything that smacks of unwarranted "character assassination" - we are likely to see a parade of ex-girlfriends and acquaintances who may throw light on the couple's relationship, and on Mr Pistorius's allegedly volatile and "trigger-happy" temperament.
The New York Times posed the question to reporters who have studied athletes of every temperament: do happy people make history?
Just as card-carrying Libertarian Party members have been known to give strangers unprovoked 90-minute lectures on the gold standard, leftists of a certain temperament are happy to share at length their theories about what exactly went wrong in 1919, or 1936, or 1970.
Throughout his racing career, Mucho Macho Man has been described as a generally calm horse with a good temperament, a "happy" horse who "likes his job", "businesslike" and easy to rate.
Although the image was cultivated, especially after his death in the detailed family memoirs by his nephew Sebastian Hensel, of a man always equable, happy and placid in temperament, this was misleading.
Though it does not seem to have been a romantic love match, the marriage united two harmonious temperaments and proved happy.
"If you get to League One and then the Championship then I can't say I'm happy with staying here, that's not my temperament, it's not my goal.
It was not always easy to tell fire, air, earth and water apart without a program, and impossible in the case of Strauss's "Four Temperaments Waltz," which was airy and watery (translate: happy and serene) throughout.
