Doesn't make any sense at all.
Doesn't work on myself, but works on some people I know well.
Doesn't work on myself, but works on people I know well.
Doesn't work on myself, but works well on most people I meet (I don't have to know them that well).
Works on myself, but only works on some people I know well.
Works on myself and works on people I know well.
Works on myself and works well on most people I meet (I don't have to know them that well).
Makes sense of pretty much everything.