A party of one greatly limits opportunity to celebrate. Apart from a pity party there is little use for such a gathering. Even gifts and talents exercised in solitude almost always benefit others. Consciously doing what you love will attract employers, coworkers, employees and customers alike right to you, like the moth to the flame. Very few people work by themselves and achieve results by themselves-a few great artists, a few great scientists, a few great athletes.
Most people work with others and are effective with other people.
That is true whether they are members of an organization or independently employed. Managing yourself requires taking responsibility for relationships. This has two parts. The first is to accept the fact that other people are as much individuals as you yourself are. They perversely insist on behaving like human beings.