Jesus Rejected Divorce for Adultery

In Mat 19:3, the Pharisees ask Jesus about divorcing for "any cause." Jesus said no. Then, in Mat 19:7 the Pharisees asked about divorcing for the reason Moses (allegedly) commanded. They thought Moses commanded divorce when the woman committed adultery. Jesus rejected that reason for divorce in Mat 19:8. That means the exception clause in Mat 19:9 cannot refer to adultery since Jesus just rejected divorcing for adultery. But, how does that square with th...