I'll be okay
You're about to get in trouble and you say this like you're some kind of tough guy. You're not. You're just pretending.
'I'll be okay,' he said, as he ran away from the cops with a ice cream cone.
'I'll be okay,' she said, before she stole the principal's lunch.
'I'll be okay,' he said, as he tried to convince the teacher he was the president.