What kind of ----- am I?

These were a few tests i found out trying out a link from one other blog. Try taking them. I dont understand how exactly do these tests work and what kind of credibility they hold. I am not sure whether the results are correct.

Your Personality Profile

You are elegant, withdrawn, and brilliant. Your mind is a weapon, able to solve any puzzle. You are also great at poking holes in arguments and common beliefs. For you, comfort and calm are very important. You tend to thrive on your own and shrug off most affection. You prefer to protect your emotions and stay strong.

The World's Shortest Personality Test

How You Are In Love

You take a while to fall in love with someone. Trust takes time. You give and take equally in relationships. You need your space and privacy. You don't like to be smothered. You love your partner unconditionally and don't try to make them change. You stay in love for a long time, even if you aren't loved back. When you fall, you fall hard.

How Are You In Love?

Your Birthdate: April 25

You excel at anything difficult or high tech. In other words, you're a total (brilliant) geek. It's difficult for you to find people worth spending time with. Which is probably why you'll take over the world with your evil robots! Your strength: Your unfailing logic Your weakness: Loving machines more than people Your power color: Tan Your power symbol: Pi Your power month: July

What Does Your Birth Date Mean?