“I told the older one that he could take karate lessons, but...

“I told the older one that he could take karate lessons, but when I did research, I found out that it was $150 week. That was more than we could afford. But I paid it anyway because I made a commitment. And if I break a promise, I’m teaching them that they can break a promise too. I want them to know that my ‘yes’ means ‘yes,’ and my ‘no’ means ‘no.’”