No, no, remove the bottom, keep the rest, not to disturb the plant. When the bottom is gone, she can establish herself in her final home.
After seeing @AWithnam acheived in his 1 gallon pots, I will use a 1.5850 US gallon air pot for one Mexi and a regular 2.6417 US gallon.
GO METRIC! I don't understand why you use that old imperial shit.
Kids are overrated. You must enjoy noise, not to take them tomthe vet. I have two dogs who are my sons. Well, never tried own children making hell on earth and that may fell different. Her Ladyship and my second wife make enough noise for me.