大好き

have a thing for ...

I have a thing for sweets. 　甘いのもに目がありません

have a weakness for ...

have a soft spot for ...

have a liking for ...

have a passion for ...

I have a passion for running.  ランニングに夢中です

I'm into yoga.

I'm hooked on yoga.

I'm addicted to yoga.

I like soccer with a passion.