Hello Silver, Adjectives finished with -ing describe the cause of a feeling. Adjectives finished with -ed describe the feeling itself. Example 1: "The movie is boring. I feel bored." -> I feel bored because of the movie. The movie is the cause to my feeling. Example 2: "Ana tells interesting stories all the time. I always feel very interested." -> I feel interested because of the stories. The stories are the cause to my feeling. This rule applies to the adjectives that exist in pairs (ing/ed). Some examples are: *boring/bored *interesting/interested *exciting/excited *frustrating/frustrated *exhausting/exhausted *compromising/compromised See you next time :)