, subjective, and unsubstantiated views of their own abilities. ["*138] We usually do not give such testimony much, if any, weight. See Williams v. Giant Food Inc., 370 F.3d 423, 433 (4th Cir. 2004); Evans v. Techs. Applications & Serv. Co., 80 F.3d 954, 960 (4th Cir. 1996). Other employees assume racism in the