Feelings and physical states in Spanish
N = Neutral
feliz (N) - happy
triste (N) - sad
cansado - tired
enojado - angry
aburrido - bored
enfermo - sick
nervioso - nervous
emocionado - excited
ocupado - busy
preocupado - worried
relajado - relaxed
We use estar with these.
Estoy muy feliz, pero un poco cansado.
Tu hermana está preocupada.
Ella siempre está muy aburrida los domingos.
Progress, Vol. 2
Progress, all volumes
Desirable difficulties
If studying feels effortless, you're probably not learning much. A bit of struggle during practice is a good sign. Difficulty isn't the enemy of learning; it's the mechanism.