I supported my husband through college on a teacher’s salary, so I know firsthand how stressful this is. Imagine yourselves 50 years from now. Is supporting her for one more year going to make a difference? Will her doctorate pay significantly outweigh the cost of obtaining it? Do you feel you can’t make it one more year? Could you compromise and, say, she works for 5 years before going back to school? These are things you need to both talk about together and think about alone. I truly wish you both the best, and hope you can quickly and amicably reach a decision that won’t scar your relationship any further.