a virgo or the virgo?

[bosunyum]

I am not sure if i can add a or the in front of constellation.
1. I am a Vrigo or I am Virgo?
2. The virgo are quiet and sensitive. or The Virgo is quiet and sensitve or Virgo is quiet????
3. Virgo people are analytic.( Do I have to add the ?)
4.Compared with me, what people say about Virgo people almost fits me. LIke typical Virgo, I am....(Does this sentnece make sense? If it sounds awkward, can you change this sentence for me?

[sparkie89]

1. I am a Virgo.
2. Virgos are quiet and sensitive.
3. No you don't have to add ... The....
4. Particular qualities of a Virgo are similar to my own character.