They are for those who have enough history to keep the big picture in mind when things are tough. They are for those who are willing to laugh at themselves and who have wisdom to recognize the moments when their spouse is able to laugh as well. You have to be careful with humor so that it doesn’t become hurtful. Timing and tone are important. But if you are able to step back in a difficult moment enough to hear the message of the mantras and let their truth bring a smile, these may go a long way