If something or someone obsesses you, or if you obsess about something or someone, you think about it, him, or her all the time.(使)着迷;(使)困扰;(使)牵挂;(使)萦回于心
The whole relationship obsessed me for years.这一关系多年来一直困扰着我。
She used to obsess about her weight.她过去总是过分在意自己的体重。