Reciprocal actions refer to actions done to each other. The reflexive pronouns "se" and "nos" are used to express reciprocal actions. Examples given include lovers hugging and kissing each other, and people usually greeting each other with a hug and handshake.
4.
Reciprocal Actions
Por lo general nos
saludábamos con un
abrazo. También nos
dábamos la mano.
We usually greeted each
other with a hug. We also
would shake hands.