Who am I?
I'm Roberta Williams MangoMercury, the sanest forum dweller of them all who most certainly never has, and never will, spout nonsense.
In that case, who's this 'Roberta' visitors and other patients keep referring to?
Why do you need the kitchen?
Because it's the kitchen, of course! What more reason does there need to be?
Aww, looks like I got us kicked out, Nifty. Here! *hands a B'rrr costume*
*puts on her old Mango costume*
*walks back in to the Asylum*
You can't get into the kitchen anymore so your answer is invalid. You can dress up all you want, that won't fool the biometric scanners. You're both (still) not patients so you can enter the Asylum
as a visitor at all times.
I didn't say there were mice, just their holes.
Uhmmmm... if we're allowed unlimited snacks this week, how am I supposed to steal extra snacks? And since I'm pretty sure that's what I'm here for... I must be cured! 
Of course, I wouldn't know since I have not been evaluated. In that case, maybe there's nothing to cure. I'm INCURABLE!
No, wait, that's not right...
Any mouse trying to enter Asylum territory is chased back out again immediately. So, they get no chance to make holes. If not the mice, who/what then would make mouse holes?
Why on earth would you want to steal extra snacks? AFAIK you're not a patient so you can buy snacks in a shop outside the Asylum. If I'm wrong, and you are a patient, I will remind you that such a thing would be impossible.
We resume our regular programme of '1 sweet a month'.
Oh, what's that Gladys? You want to go play with the patients? Okay, but don't be long.
Do you think I'm going to let a dangerous individual with all those pointy things on the outside back into the Asylum? The biometric scanners wouldn't allow it. I'm starting to think another admission into the Asylum is imminent...
I see what you did there, Bella. 
Huh?
* copycat is not into this 'Twilight' snark