weigh on your mind

weigh on (one's) mind

To cause someone a lot of worry, concern, or anxiety, especially for a long period of time. I know that money issues have been weighing on his mind ever since the company began issuing pay cuts. I really acted like a jerk on Friday night, and it has weighed on my mind all weekend long.
See also: mind, on, weigh

weigh on your ˈmind

(of a problem or difficulty) make you feel worried and anxious: The safety of the missing children was weighing on their minds.
See also: mind, on, weigh