You can eat as much as you like.

I like pizza.

He is fond of music.

I like playing the piano.

They (referring to women or girls) are my best friends.

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.