Tread a difficult, solitary, etc. path - Idioms by The Free Dictionary
tread a difficult, solitary, etc. path
tread a/the (type of) path
To choose a particular kind of lifestyle that one commits to. My brother's always treaded a solitary path, no matter how much we reach out to him. You'll be treading a tough path if you decide to drop out of college now.
tread a difficult, solitary, etc. ˈpath choose and follow a particular way of life, way of doing something, etc: A restaurant has to tread the tricky path between maintaining quality and keeping prices down.