Wow! Happy to hear that German people make you happy. Yes its very great idea to promoting Dtube by small business card. I know you will success by you hard working, you will connect more and more good people and by the mean time you will teach your target.

Yes, it is also right weather always changes our mood though here running rainy day.

And today my noteing pint is do take any kind of help from other which is you can do yourself.
@hafizullah