top of mind

bear in mind

To hold (something) in the memory; to remember; also, to be mindful of or pay attention to (something); to consider; to note.

blow someone's mind

To astonish someone; to flabbergast someone.

bored out of one's mind

Extremely bored.

cast one's mind back

To try to remember a particular time or event; to think about something in the past.

change one's mind

To decide differently than one had decided before.

change someone's mind

To convince someone to make a choice or develop a preference differing from their previous one.

cherry on top

Synonym of icing on the cake (“a thing which intensifies the appreciation of something already good, or (ironic) the regretting of something already bad”).

close one's mind

To refuse to understand things.