User blog comment:Thinkaboutthisname/QQ Help?/@comment-1897744-20100311114928

The only way to accurately determine of which sexual orientation you are is to engage in sexual activity and use that as a baseline.

Basically: it's not a big deal, and it really doesn't matter. Don't worry about it, because if it truly was a defining factor in your life and as a person you would know by now, it would be that strong.