If the meaning of life has become doubtful, if one's relations to others and to oneself do not offer security, then fame is one means to silence one's doubts. It has a function to be compared with that of the Egyptian pyramids or the Christian faith in immortality: it elevates one's individual life from its limitations and instability to the plane of indestructability; if one's name is known to one's contemporaries and if one can hope that it will last for centuries, then one's life has meaning and significance by this very reflection of it in the judgments of others.
The world always said to just be yourself, but it turned out when Evelyn was herself, no guys were at all interested, so she was left with games of make-believe, expressing enthusiasm for whatever the men wanted to do, be it rock climbing or going to a cheese-beer pairing or a Knicks game.