to be crazy, to be fond of, to be interested in,

I'm crazy about this new TV program.

He was crazy about playing chess in his childhood.

Ann is fond of travelling.

We were fond of reading that magazine.

My friend is interested in collecting dolls.

Wheh I was two I was interested in picture books.

He is keen on doing sports.

My mum was keen on reading fashion magazines.

It is important to be into hobby

She was into yoga last month.

I'm not obsessed with anything.

He was obsessed with climbing the mountains.