^ Basically, Sana/Gardevoir was offended by Erl/Eru/Gallade poking her chest and thinking she was wearing a Nu-Bra. Honestly, I'd be curious about the thing too, but evidently Sana wasn't accepting this.
Mega Evolution!
Your wife went back to her parents' place?.... Yewsh......Wai Dobn knowWell?
I'm cute am I not~I stuck with it, and finally Mega Evolved!This thing's attached to your chest!
What's it?Ehehe...Ahaha!A Nu-bra?Why...