[Mettaton looks to Sans. He looks to Alphys. He looks back to Sans. This? Oh god. He thought other people coming into this would be bad, but now he's blushing because Sans is here and seeing all this. His little crush on Sans being one thing, now he's seeing his other old crush and a part of him thinks that this is "crossing the streams" like that one human movie he saw once.
His shadow, of course, is eating this up.]
Really really, darling! It's quite sad to see myself so ashamed of his affection for my darling Alphys, but that's why we're here! To help you all see the truth and whatnot!
[Mettaton glares at his shadow.]
I'm not ashamed! This just isn't how things are now!
[The look his shadow gives him is all incredulity. He then gives Shadow Alphys a knowing look.]
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His shadow, of course, is eating this up.]
Really really, darling! It's quite sad to see myself so ashamed of his affection for my darling Alphys, but that's why we're here! To help you all see the truth and whatnot!
[Mettaton glares at his shadow.]
I'm not ashamed! This just isn't how things are now!
[The look his shadow gives him is all incredulity. He then gives Shadow Alphys a knowing look.]
Isn't it adorable how they deny the truth?