The RR does sounds nice and you certainly seem to know about and have driven some awesome wheels, have you seen a Porsche Macan? Crap name, gorgeous car, perhaps not as big as an RR; might have to get me one when getting out of the two seater becomes even more undignified...but we are into topics better suited toward pistonheads.com rather than here. :-)
I think you handled the call well, we all slip up occasionally (most of the time in my case) and frankly the length of conversation and the range of topics you covered is something I can only dream of with my W.
The great thing is you know where you tripped up, keep doing the same thing is stupid but you'll not do that as you are in touch with yourself so take it as a learning point, nothing else. Remember the adage, if you aren't making mistakes, you aren't doing anything. You undoubtedly did a lot of good in the conversation, don't take one small point and allow it to taint all the other positive stuff.
Jim does make a good point but even if you'd had an error free conversation in your eyes, someone else could find a fault, it's all about perception and you were the only one there and you did a great job from where I am sitting.
I just watched a programme on TV about there being an infinite number of universes and there's every chance that in the one where you listened more to what your wife said after you asked what you consider to be a wrong question, you ended up in a big argument, so forget it, you are in this universe and you did well, feel good about yourself.
- Nobody has ever learnt anything important from happiness and success; problems make us grow - Consult your plan, not your feelings - If you haven't set goals, how can you expect to achieve anything?