I learned about the Electra complex in psychology class.

He is studying the Oedipus complex.

He is rumored to have a Lolita complex.

He has a sister complex and is always worried about his younger sister.

She is rumored to have a brother complex.

He thinks he can control everything, it's like a God complex.

My dakimakura is very comfortable, and I can't sleep without it every night.

He ran while holding the child in his arms.

A new arbor was built in the park.

He is obstinate, and once he decides something, he rarely changes it.