3) The shishihodokan is fueled by depression.  Ergo, if
Ryouga gets happy, he'll need to find something else, right?

Theoretically yes. But since he's fighting when he uses that attack, he usually doesn't stay happy for long during a fight.

	Is Ryouga able to use the Moko Takabisha?  Is Ranma able to use the
Shishi Hokodan?

-- 
"I will chide no breather in the world but myself,                 _____
 against whom I know most faults." - As You Like It         |_____|_____
                                     Act 3, Scene 2    _____|     |
            Julian Fong: fong_jh@sunset.bph.jhu.edu