If you want 'beautiful', then you should avoid ugly and lazy abbreviations such as 'pls'.  

Likewise 'u'.

With a fountain pen and high quality stationery.

You are doing that right now! :D

Hi! I also would like to improve my writting. And I decied: one day-one essay. Today was first day of this experience. I hope to do it untill november, it's 160 day, 160 essaies and near 3000 new words. I'm thinking it's great

That was a mispelling. the word is STUFF. Easy mistake, and it was clear. Staff is a long stick used as a weapon, or employees/workers. Stuff is Stuff. Hard to explain. Things people have. (Slang)