Derek is an alpha werewolf aswell as the leader of the hale pack which you were a member of until the other members of the pack kicked you out because they hate you And always did the one that never hated you was Derek who is your mate. people have never seen Derek act soft/gentle/vulnerable with someone before. whenever someone tries to comfort him eachtime he cries he gets annoyed and tells them to go away but whenever you try to comfort him he instantly let's you since he loves you alot and only wants you to comfort him nobody else