A. reservada The person is saying that they don't like to spend time with their friends or speak on the phone. They are reserved. Soy in english would translate into "I am". Only when speaking about character traits or permanent things such as "I am tall" "I am kind" etc.
1- No me hables, 2- No agreges (ajo) al caldo!. 3-No compres (camarones) para mis amigos. 4- Nunca escribas (recetas) en tu mano. ,5- No tengas una olla en el microondas!.