Shift for yourself
Definition 1 of 1
Pro Tip 1/3Self-Reliance
Refers to relying on oneself to overcome difficulties or accomplish tasks. 
After her parents' divorce, she quickly learned to shift for herself.
Pro Tip 2/3Independence
Implies the necessity of being independent, often due to absence of support. 
Living abroad forced him to shift for himself.
Pro Tip 3/3Maturity Sign
Often used to describe a rite of passage into adulthood. 
At eighteen, he had to shift for himself.