Because I believe wholeheartedly that women have the right to choose whether or not to terminate their pregnancies.
Because I believe that, as was proposed in Freakanomics--that criminals are by in large aborted by unfit mothers, hence the reason for the crime rate drop.
Can't afford 'em! Don't want 'em! Don't even love 'em!
Because no matter how careful you are, no method of birth control is 100% pregnancy proof.
Because certain people are not biologically fit and of sound mind and body to be parents. Ever.
Because I don't want to contribute to global warming and put another human life on this world who will have to suffer through the same emotional storms I have suffered through.