2. The way he spends money on his passion and hobbies.
“It’s my money. It has nothing to do with her.” Guys who are invested in their hobbies find it extremely irritating when women criticize the amount of money they spend on them. If you try to interfere, he might say, “I can’t be with you because you don’t understand my hobbies.” It’s better to stay out of it—unless he crosses the line, such as borrowing money to continue his hobbies.