Congrats is the usual thing. I tried it once, but the wheels fell off after a while, didn't stop me doing it again though, but that was for pension reasons.
[Softers] This is like getting my first car at the age of 46. Although, of course, I actually passed my driving test at 17 and bought my first car at 23. And somewhere halfway through that analogy, it stopped working. I'm marrying the windy miller for his money and for the free flour.