Jack Whitehall takes the stage at London's O2 Arena to riff on dogs, drinking, dining alone, and finally deciding to settle down and become a father.Jack Whitehall takes the stage at London's O2 Arena to riff on dogs, drinking, dining alone, and finally deciding to settle down and become a father.Jack Whitehall takes the stage at London's O2 Arena to riff on dogs, drinking, dining alone, and finally deciding to settle down and become a father.