737s aren't for 'hour building.' They are commercial transport aircraft, there to be operated by two qualified crew members entrusted with the safety of its occupants. Have you asked yourself what you are going to do when you 'build hours?' I can tell you from experience that FOs are ten a penny and will eventually occupy the RHS for gratis. Today's FOs on **** conditions are tomorrow's captains on **** conditions. Yes it probably won't change, but sure you knew that when you invested all that money and effort in your licences didn't you? It's a job first and foremost, remember that