First of all, best thanks for the time you took to go into my issue again. Iīm thankful for your propositions, and, not at least, happy that you have not mentioned any spinning of your head. (I hope that means that there was none!). Before I can (if necessary) pick up the thread, I must give more indepth thoughts to what you have written.
Dear Khosro and dear Tdol,
Best thanks for the pieces of advice you have given!
P.S. Tdol, you are right in what you say, but I have to give a reasonable answer if my students themselves ask me why an alternative form would not work in a particular case, all the more if I think their question is justified. So, I am asking for my own sake, not just for the one of my studentsī.
Dear Khosro, Dude, and Tdol,
Well, properly I sent you my best thanks as soon as yesterday. I have no idea whatsoever where my short message has gone. So let me repeat my thanks to you this way!
Today I have read your propositions again, but this time thoroughly. I think I see a light now. Thanks for this illumination!