Crossword Clue:

to think about something constantly

AnswerCrossword Clue
OBSESSThink constantly about something
FOODFORTHOUGHTSomething to think about.
IDEASomething to think about.
IDEASomething to think about
OBSESSThink constantly (about)
KEEPAPENMINDConstantly think about writing essays?