Messing with one's head messing with someone's head American phrase informal
To cause someone to feel confused, worried, or upset
The government has just introduced a policy that is messing with residents' head.
What he said messed with my head.
be confused about what to do
To be very anxious
Being so scared, confused, and astonished that you can't think or do anything.
Unsure or confused.
To feel that unpleasant or dangerous things likely happen to you
The verb "mess" should be conjugated according to its tense.
people often do irrational or foolish things when they are in love.
I and my boyfriend have decided to get married in the summer. I don't think that's wise, since we won't have enough money saved by then to set up house. But then, one cannot love and be wise.