Please learn better grammar before writing a novel.
There are a thousand things that have headaches and light headed for symptoms.
Anything from anemia to cancer can cause light headed and headache.
I would suggest finding an online medical website that lets you put in lists of symptoms and it will give you back a list of nearly every possible diagnosis.
Writing can tell everything about a character, from the way they look and act to the way they think and speak.
Decide he character's objectives. What does the character want? What is he/she willing to do to get it?
How different is the narrator's perspective from the character's
You probably need eyeglasses. Go have your vision checked out to be sure.
nop
pictograph
stream of consciousness writing.
Entries (contributions in writing) from a person (a character) who wrote them.
read the play and pay attention to the character
character. the type of character that is used now is hanzi
Only if your main character is a protagonist, which is the hero in the story/novel.
You did not specify whether this was a gaming character or a writing character. Either way, you can always revise them and rewrite the story! If a gaming character, lose some of the "twink" gear and play realistically. If a writing character, make them more believable and give them some faults and realistic traits.