It's important to be able to handle things on your own.
by yourself
Frequency:
65
%
Sometimes it's nice to just relax by yourself.
solo
Frequency:
50
%
He decided to take a solo trip to clear his mind.
Idiomatic Expressions for by/on your lonesome
Phrase: by your lonesome
Meaning: to do something alone without assistance or company
Usage: He fixed the car by his lonesome without needing any help.