I don't know, I figured crossing fingers is what you do to hope for a good outcome. So... doing it twice is double effect?
And I'm afraid I'll forget when the time is actually there... I tend to forget a lot.. So, let's just say that this way works best of all :)

It’s a female version of my birth name, it can be shortened to Tam which is fun, plus I think it sounds cute.

Now if only I were able to actually use it, sigh…