Even I had to admit being a vampire had advantages. The healing factor, for one. Without it, I would probably be either quadriplegic or dead several times over.
Another was being absolutely lethal in a fight. I could go toe to toe with a Black Court vampire and win, in the worst case scenario.
Superstrength and superspeed were also a major asset when competing with Harry.
Hey, when your little brother is a wizard, you have to be even more badass to maintain the proper balance of the universe.
Though I had a sneaking suspicion he might have outclassed me.