If the thread topic is about "Discover Who You Are" and you jump in and post "Transform Your Life" then you are just taking the thread into details. Start a new thread if it isn't on topic for the existing one. Many people use forums for knowledge gathering as well as social interactions and as such it is important to read the topic of a particular discussion and keep your posts related to that topic.
Try not to go into too great detail of making a post more than two paragraphs long. Long posts may get a TLDR reply. You want to be clear—and to articulate your point—without being preachy or pompous. Be direct. Stay on point. Don’t lose yourself, or your readers, in overly wordy sentences or paragraphs.
Never Type in all CAPS
When you type a post in all capital letters, forum users might think you are shouting and its considered rude to do. Use of all caps should be reserved for emphasis for short strings of words rather than full sentences. Instead, use italics or bold to set off text for emphasis.
Always Post a Descriptive Subject
Posting message with a subject that reads "Question" or "Hello" does not give a good description to those who are passing through threads to respond to.
Read and Search Posts Before Creating a New Post
Use the forum search option to make sure that other users have not asked or discussed the same topic. Even if your question does not appear in the thread list, it may still be available as an archived topic in the forum.
Do Not Double Post
Give your post some time to get responses or answers to the question. Reposting the same message or slightly edited versions of the same message, continuously bumping a message or nagging other members to respond does not help and is usually frowned upon.
Do Not Be A Troll.
A "troll" as defined by Wikipedia "is someone who posts inflammatory, extraneous, or off-topic messages in an online community, such as a forum, chat room, or blog, with the primary intent of provoking readers into an emotional response or of otherwise disrupting normal on-topic discussion.”