@shaylovesyoubaby,
Go buy a home pregnancy test from the drugstore and use it. The results will be much more reliable than a response from an anonymous person on an internet message board.
You could just have the flu, or be stressed. Your cat is probably just telling you she misses you because you're spending more time with the boyfriend. Give the cat some attention while you're waiting for the test results.
And, if you're concerned about pregnancy, why the hell are you having unprotected sex with your boyfriend? Why aren't you protecting yourself from disease AND pregnancy by insisting he use a condom?