I guess it just seemed so implausible to me. As in, what happens if 2 weeks or 4 months in you just decide that the job is sufficiently ill-suited? Is there typ

I guess it just seemed so implausible to me. As in, what happens if 2 weeks or 4 months in you just decide that the job is sufficiently ill-suited? Is there typically a trial period of equal time that precedes such an agreement?