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to volunteer

to tease or mock someone

rack one's brain

to take oneself seriously

to argue seriously

to mock oneself

to register for something

to register for something

to surrender oneself

to ignore oneself

to take care of

to tease affectionately

to tease someone playfully

to respect each other

to behave with dignity

to admit responsibility for something

to make a fool of oneself

to sit

even, as well as

such