Anya looked upon Nin admirably. Having him as a partner-in-crime—if only on this one occasion, which she hoped would only be the start of something more—was more revitalizing than the cheap thrills of a cookie-cutter shallow, superficial romance, where the top priority was how beautiful a person was on the outside.
When you optimize your talents very well, you can pick money from people's pockets and nobody will ever get the guts to call you a thief.
There is nothing morally wrong with buying stolen goods, unless you know that they were stolen.