This one can be trickier. You may not need a new couch if the existing one is still cushy and soft, adequate for watching movies and reading the paper. But the cat scratched it up! And you’re having a big party next month— you want something comfortable for guests that will also show off your sleeker style. Keep in mind that your version of “need” may be different from your partner’s, since everyone has a different money mindset, says Kathleen Burns Kingbury, a wealth psychology expert and author of Breaking Money Silence. Remember to compromise: If he gives in on this one, you may have to adjust your thinking when he suggests that you “need” a backyard grill.