i think vs i am, are not similar at all.
“i think i should…” do something is significantly different than saying, “i am…” doing something. these are extremely different. night and day. open and closed. when talking with someone, one is a definitive, the other leaves room for the other. so when the other takes legal action the very next day, within 24 hours, the other has clearly given their definitive response to the “thinking”…
sometimes when we are the other, we hear “i am…” because our fear and anger mistranslates “i think…”