This problem can be solved with a recursive approach.

She uploaded a selfie to Instagram.

She took a selfie and uploaded the photo to social media.

He likes talking about himself and often talks about his experiences and thoughts.

He set out on a journey of soul-searching.

Since that's his own concern, we better not interfere.

He should stop his selfish behavior.

Learning how to use auxiliary verbs is important for understanding Japanese.

Transitive verbs require an object that is directly moved by the subject.

I felt his behavior was very free.