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Notes for the way through.

Short, direct reads from Tonya Lanthier and the DivorcePost team.

Physics of Divorce

6 posts
Why Marriages Fail: The Physics of Divorce and the Hidden Pressure That Leads to Divorce — Physics of Divorce

Why Marriages Fail: The Physics of Divorce and the Hidden Pressure That Leads to Divorce

It’s usually the final visible stage of a system that has been under pressure for far longer than anyone realized.

Tonya Lanthier · Apr 7, 2026 · 2 min readRead
Why Marriages Fail: Four Relationship Systems Inspired by Verne Harnish’s Scaling Up — Physics of Divorce

Why Marriages Fail: Four Relationship Systems Inspired by Verne Harnish’s Scaling Up

Healthy systems don’t sustain themselves. They require continual investment, honest communication, intentional repair, and shared commitment.

Tonya Lanthier · Apr 21, 2026 · 6 min readRead
Why Healthy Relationships Require Maintenance: What Entropy Teaches Us About Marriage — Physics of Divorce

Why Healthy Relationships Require Maintenance: What Entropy Teaches Us About Marriage

Healthy relationships don’t fail because they experience wear and tear. They fail when the wear and tear goes unattended.

Tonya Lanthier · May 5, 2026 · 6 min readRead
Newton’s Third Law and Relationships: How Every Reaction Shapes Your Marriage — Physics of Divorce

Newton’s Third Law and Relationships: How Every Reaction Shapes Your Marriage

Every reaction shapes the relationship. Choose responses that create the future you want to build, not just the moment you want to win.

Tonya Lanthier · May 19, 2026 · 6 min readRead
The Emotional Balance Sheet: How Healthy Relationships Build Trust Over Time — Physics of Divorce

The Emotional Balance Sheet: How Healthy Relationships Build Trust Over Time

Healthy relationships aren’t built on grand gestures. They’re built by consistently making more emotional deposits than withdrawals.

Tonya Lanthier · Jun 2, 2026 · 4 min readRead
The Hidden Cost of Conflict During Marriage and Divorce — Physics of Divorce

The Hidden Cost of Conflict During Marriage and Divorce

Conflict isn’t costly because it happens. It’s costly when it continues draining your relationship without anyone repairing the leak.

Tonya Lanthier · Jun 16, 2026 · 4 min readRead