However , small cracks begin to form between Jack and the Fockers , due to their contrasting personalities .
Concerned that Jack might be put off by the Focker 's lifestyle , Greg convinces Roz to pretend that she is a yoga instructor for the weekend .
Small cracks begin to form between Jack and the Fockers , due to their contrasting personalities .
Concerned that Jack might be put off by the Focker 's lifestyle , Greg convinces Roz to pretend that she is a yoga instructor for the weekend .