1️⃣ When family members are angry with you, they can make up the next day, and generally do not hold grudges.

2️⃣ When colleagues are angry with you, they may not make up the next day, but this grudge usually never disappears.

Between KOLs and KOLs, see colleague relationships; in this domain, they are mutually competitive and mutually supportive in terms of interests.

But there are exceptions:
KOLs knowing each other when they are unknown and unnoticed.