No, not a missing scene but I think Morgan tells Reid that he should talk to someone and Morgan is not the right person to talk to. But then Reid says that what if they think he is not fit for the job, so he clearly displays no desire to talk to either Hotch and Gideon. I think thats why Morgan goes behind his back and tells Hotch and Gideon.
Ohh yes Reid used to notice so many things in earlier seasons. Later he was shown just as a fact spouting genius who was oblivious to everything else around him. Also in earlier seasons he used to laugh with the team, but in later seasons the team u