Because children make life enjoyable with your partner half the time, so you're in a dilemma : stay for the good half or quit for the bad half. Then you stay be

Because children make life enjoyable with your partner half the time, so you're in a dilemma : stay for the good half or quit for the bad half. Then you stay because maybe you can fix the bad half, and why not try getting help from someone. It's worth it. Even getting from good 50%/50% bad to 55%/45% is worth it.