David Johnston wrote:

You know, logically, if Ranma is due to have a fiance or arch rival show
up and Ifurita just suddenly decided to visit Ranma...

...and Ifurita, upon seeing that Ranma's martial arts were becoming like
her abilities (see it, copy it, do it), decided - out of love - not to
let him lead her life...

A fiancee *and* an arch rival, in one.

Just to keep this from being pure spam...

******

SOUN [demon-head]: You dare to take my son-in-law away?  [add
demon-sized rivers of tears]  And he hasn't even been married yet.

IFURITA [demon-head]: Never question my judgement!  [add demon-sized
river of tears]  I love him, so I must kill him.

AKANE: Ifurita no BAKA!  [mallets Ifurita]

IFURITA: *Akane* no BAKA!  [mallets Akane, in a mirror pose]

HAPPOUSAI: SWEETO!  [glomps Ifurita]

IFURITA: ...  [sweatdrops]  There's some things even *I* won't copy.