Why do savers and spenders clash?

Different core values. Savers value security and control; spenders value experience and joy. Savers see spending as risk; spenders see not spending as missing life. Neither is wrong—they're different risk tolerances. Clash comes from each thinking the other is irresponsible.

How do saver-spender couples make it work?

Three steps: (1) each person gets a guilt-free spending allowance they don't have to justify; (2) major purchases require discussion, not permission; (3) shared goals align the anxiety—if you're both excited about retirement or a house down payment, financial restraint becomes "we're in this together" not "they're controlling me."

What if the spender is deep in debt?

This requires intervention. One partner spending into debt is not a personality difference—it's financial abuse disguised as spending habits. A couples therapist or financial advisor is needed. The saver shouldn't fund the spender's debt; the spender needs to own it and make changes. Partnership requires responsibility from both sides.