Picture the colleague who quietly keeps the best leads for himself. He hits his number every quarter, and for a while it looks like sharp self-interest. Then ...

Microsoft, OpenAI, Anthropic, and Google are reportedly selling software that introduces itself by name, holds a Slack handle, and shows up on org charts.

Here is what is quietly at stake in a long marriage. It is rarely the big, dramatic blowup that ends things. More often it is the slow accumulation of small ...