Uncertainty

I’m not sure what causes me to say things I don’t really mean.  I’m not sure that I don’t really mean the things I say.  It’s very disconcerting to not know your own mind.  How can you know anything for certain if you can’t even decipher basic meaning in your own brain?  Perhaps it’s a language failure and I’m experiencing complex emotions that don’t translate nicely into the english language.  Or perhaps it’s something rooted in the sub-concious.  I don’t know.  I’m tired.