How do things turn out in the long run?

Exactly as you hoped

Although Diana tries to keep up the persona of the strict-but-impersonal mistress, within a few weeks your relationship has blossomed into the loving intimacy you crave. She still takes you over her knee when you need it, just as you discipline her at work, when necessary, but your match is one of equals. You eventually formalized your connection by filling in the dreaded HR forms relating to a workplace romance and since then you've been walking on air.

Fortunately, Diana turns out to like making you cum almost as much as denying you, so your offer to give up your orgasms for hers didn't even last as long as the maintenance spankings, but she still reminds you occasionally that your climaxes belong to her—usually immediately prior to her giving you several with fingers, tongue and a varied collection of toys.

It's easy to say you couldn't be happier, but when the next big change in your life happens, you're sure it will make things even better.