I've never had sex but my boyfriend and I have fooled around, and never with naked genitals touching eachother

But I've always been concerned with maybe precum being on his fingers, although he never fingers me after I give him a hand job, thats usually the last thing we do then clean up

I'm just worried that some how I might be pregnant...even though I am a virgin!

My period came for this month but it was much lighter than normal, seemed like spotting at times, other times it was a lot of bleeding but didn't last very long. All in all my period lasted 5 days...but I've been reading that you can get your period while being pregnant and not even knowing it!!

The only thing I can think may have happened is that I used the same hand to itch myself down there after I had given him a hand job and he came all over my hand, but I did wipe it off, so wouldn't sperm be dead by then??

Can stressing about being pregnant screw up your period (make it lighter?) its not the first time I've stressed about it before and I always got my period and it was normal. I've been getting sick to my stomach in the mornings and haven't been eating a lot lately, and now getting headaches (but I think its sinus). Can your mind play tricks on you when it comes to pregnancy??

I would test to ease my mind but the first time I ever did that I used one of my friends pregnancy tests she had for a while back and it was a faulty one and it gave me a false positive...so needless to say I NEVER want to go through that again and I'm afraid to test. Somebody please help