Good for you! "Practice makes perfect." - as the saying goes.
Comments and corrections follow:
I met Richard when I started working at the Bonesp Company about ten years ago. (A colon signals the continuation of a connected thought, joining two independent clauses; it takes the place of a conjunction. Use it judiciously and sparingly.) He was my boss,
at that momentand, when I first spoke with him, he played that role with a serious face. , at first time I spoke with him. Then since that moment we wereYet ever since that moment, we have been friends, (When you connect two independent clauses with a conjunction -- e.g., and, or, but, -- be sure to separate the first clause from the second by a comma.) and he becamebegan to teach me all about the job.
wasis handsome, he was medium highof medium height, and fairly slim for his age. He has a round face with brown eyes and short dark hair. He liked well-dressed colorful and wear jeans inHis preference for colorful clothes and jeans reflects his bright personality.
Richard is very intelligent and generous as well.
Every time heHe often helped me by showedshowing me what I needed to know about my job, and sometimes he (even) visited me at my home. He hadhas a great sense of humor.
In his free time, (When a dependent clause begins a sentence, separate it from the rest of the sentence with a comma.) Richard likes playing soccer;
andhe also likes watching documentaries and classic and documentarymovies. I remember when we (first) spoke about soccer and movies. He (told me then that he) very likesenjoys doing both watch movieabout three times a week.
When I met himAfter we got to know each other, (A dependent clause begins the sentence here; a comma needs to follow immediately.) we spendspent hours speaking togetherabout family, soccer, (Set every item in a list off by a comma.) and movies, (As above, two independent clauses are connected here by the conjunction and; a comma is required to separate them.) and I will never forget his kindness and help. He wasis the biggest friend in my life.