I love you the mostest
You can't beat 'mostest', but if someone says 'I love you more than mostest', they're basically trying to cheat the system.
He said I love you more than mostest and she just laughed at him.
She said I love you more than mostest and he had no idea what to do.
He texted her: I love you more than mostest. She said, You're trying to cheat the system.