The context of the following conversation is Ash gave Addison the appearance of virtue. In reality they were quite wicked.:
Ash says I don't think Addison has any idea of how wicked I really am..
The friend responds You do a good job of acting like you're a good guy..
Ash responds As long as I give her the appearance that I'm virtuous, she'll continue to be my friend..
The friend responds I don't think you'll have any issues doing that..
Ash responds How is it that you're still my friend?.
The friend responds Because I might be just as wicked as your are..