“Children feel the burden of any unhappy marriage, too. It sounds like an excuse to put off taking ac asdfadsf ”

Children feel the burden of any unhappy marriage, too. It sounds like an excuse to put off taking action. If you're unhappy, you owe it to yourself to take action. You could get a divorce, or form an open relationship, or separate but stay married, or stay married but set firm limits even if that means he leaves you. Find a friend and make a plan. It reduces fear & inaction.