Imagine what your water bill would be if you had to drain it each time you had sex!

Chemicals will do the job just fine. I'm pretty sure the manufacturers suggestions regarding the chemical levels take sexual intercourse in to consideration.

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Though I am different from you,
We were born involved in one another.

For it was not into my ear you whispered, but into my heart. It was not my lips you kissed, but my soul.

Complete surrender should not just come at moments in which one faces overwhelming odds, but in the calm when it seems one is personally in complete control of one's life.