Dream About Feeling Excluded In High School

I was in a friend group of four in high school. Two of the friends, a male and female were dating and our third friend felt left out so they made sure they reassured her and included her because she expressed that she felt excluded. But I sat there as the fourth friend by myself and I felt all the pain of truly being excluded because I was too afraid to express that I really am the friend that most people ignore because I’m shy and don’t say much. The third friend saw me run away from the table in our high school cafeteria, but she was the only one who ran after me, the other two friends didn’t. Someone was laying in a bed down the hall at the high school as if they were sick and in the hospital. I went outside and listened to the birds and to the third friend talk about being in tune with nature and some guy named Derek