Surface rivalry (a toy, attention) often hides a deeper need — one question uncovers it for each side separately.

Forbid yourself from comparing one child to another, publicly or privately.

Never compare your children — even positive comparison destroys their bond.

Analyze five competitive forces to understand why your industry is profitable (or not) and who captures the value.

Frame every proposal: "we both win by..." — extinguishes competition.

Coach a peer at your same management level with no hierarchical authority — the challenge here is separating friendship from neutrality, not authority from support.

One project with a genuine shared goal turns "rivals" into a "team" — experience builds the bond, not advice.