they have
Loro si sono accusati a vicenda.
They accused each other.
Loro si sono innamorate della stessa ragazza.
They fell in love with the same girl.
They just stopped.
They relaxed.
They killed themselves.
They stopped.
They just stopped.
Loro si sono lavati i capelli.
They washed their hair.
Loro si sono strappate i vestiti.
They tore their clothes.