The last episode of season 4 in How I met your mother has a speech by Lily. She refers to a goat in the apartment and how the goat (she) just cared about the wash cloth and following it, without realising why she was following the cloth. Lily used that as a reference to tell Ted 'aboat' how he might be doing the same thing; pursuing his architecture career where he is facing a hard time. So paths are switched.
Point being, a lot of us tend to become goats and get by.
Such is life.