obsess

US /əbˈses/
UK /əbˈses/
"obsess" picture
1.

obsessieren, grübeln

to be preoccupied with or haunted by a particular thought, idea, or feeling

:
He tends to obsess over small details.
Er neigt dazu, sich an kleinen Details zu festzuhalten.
Don't obsess about what others think.
Grübel nicht darüber, was andere denken.