Leaving out the details

"What the hell, man? When I agreed to drink that potion and pose as your girlfriend, you told me the effects would wear off in three days. It's been a week..."

"Hey, would you have drunk it if you knew it was permanent. But I'm really grateful to you for helping to convince my parents I was straight. Maybe I can cover the rent this month to show my gratitude?"

"Make it six months. I have a feeling that this new body comes with a 'bitch mode' you do not want to unleash."