He is always seeking the spotlight for self-display.

I think his actions are just for self-satisfaction.

He had a self-satisfied smile on his face.

He is drawing pictures just for self-satisfaction.

He is too self-conscious, so he has difficulty speaking in public.

He likes to take a walk in the park at dusk.

Strong interaction is one of the four fundamental forces in particle physics.

He has a strong desire to be in the spotlight and always wants to be the center of attention.

She has an autoimmune disease.

We should always remember the power of Kannon in difficult times.