Kim Richards's behavior on RHOBH has always been pretty bizarre, hasn't it? For several seasons she was always MIA with strange excuses and nutsy behavior until she went to rehab. In the last year or so, Richards has been grounded and just about as Zen as she will likely ever get, which is why her behavior on this week's episode sent up a huge flare. It was most definitely a return to the weird behavior of before. While she admitted to taking a pain pill, even her sister Kyle Richards apparently fears that she has fallen off of the wagon again and is worried there is more going on.

According to a report by Radar Online, Kyle was attempting to do some damage control on camera so her sister would not embarrass herself too badly. Privately, sources say she is worried that Kim has fallen off the wagon and is taking Xanax again. Anyone who caught the episode of The Real Housewives of Beverly Hills where she was acting out would logically draw pretty much the same conclusion.

What is ironic is that while Kyle was trying to help the situation, she actually made it worse because she has a knack for turning everything into an over-blown, dramatic moment. Instead of helping Brandi Glanville usher her sister out the door -- and off-camera -- away from the party, she stood there arguing and crying because Glanville was trying to get Kim out of there. It is interesting, too, because what followed was Kim spending five mystery days in the hospital and Kyle having no clue that it even happened, while of course swearing that she supports her through everything.

Readers: What do you think the real story is here? Did Kim slip up just once or did that one pill turn into a full-blown addiction problem again? She had been doing so well, so it would be sad if she has fallen off the wagon again, don't you think?

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