controlling
Mi hermana se está controlando el peso continuamente.
My sister is constantly monitoring her weight.
El tipo está controlando la situación, André.
The guy is in control of the situation, André.
— Tropa de élite 2 (2010)
Has aprendido una mala filosofía que está controlando tu vida.
You have learned a bad philosophy that is controlling your life.
Me estoy controlando para no perder la cabeza.
I'm keeping myself in check so I don't lose my mind.