well you'll be happier if your expectations from yourself are better matched to your self-perception. there are different ways to phrase similar ideas, although if you begin from an expectation that everyone must strive to lead the pack, then most of the pack will probably have some stress from not leading.

some hemisocial animals [e.g. wolves] are perfectly happy being part of a pack, and only a few will actually struggle over leadership against an existing leader.

adlai

Humility is a very difficult concept. So is "being content" (they are sometimes linked in my mind. Sometimes it saying "oh they're content" sounds like a slur. Or "it's a very humble effort." Sure, it's not like we are going to condemn it, but it isn't something we should aspire to.