chris done and then dental and tar heels johnson. to get to this point johnson has had to endure verbal challenges from his father and current coach >> reporter: when bryce johnson makes a good play, it's hard not to notice. >> when he is making tremendous plays and screaming and yelling we feed off that also. >> reporter: his primal scream therapy has been going on since he first arrived. it's just going on more now. >> i screamed a lot then and i do now. i play a lot more now. >> reporter: when johnson is on, his team follows. >> his excitement is followed. >> reporter: his excitement has taken some getting used to at least four his head coach. >> there is no doubt is not harmful. it's who he is. i am old-school. if he doesn't run back on