I could ask him however he shows that he's occupied everytime I ask him.
Also, I don't like the way that when I won't understand something, I need to ask him frequently and he will show me that he's busy.
You can ask him, or can do your searching, it's easy.
That is the reason I need to get ideas from this topic as there can be quite a few chances to learn through this forum.
From above posts, I saw you got enough guides to start.
I also saw that you quote full post contents, and make nested quotes too.
[TIPS] to avoid pyramid quotes (for Newbies)[Guide] Post formatting