You’re depressed.
When you’re feeling down in the dumps, desire can take a big hit, particularly if you’re female. Women tend to isolate themselves, Clayton says, and that can strain even the strongest of romantic relationships. Antidepressants may lift the dark cloud, but some affect your ability to have an orgasm.
Sex Rx: If you notice your sex drive takes a nosedive after you start a new medication, tell your doctor; she may be able to prescribe an alternative, such as Wellbutrin (bupropion), which doesn’t affect orgasm. Consider different avenues of treatment, too. “Psychotherapy doesn’t cause sexual dysfunction and is effective, especially in mild-to-moderate depression,” Clayton says. Exercise also helps; it enhances mood and energy, and it boosts blood flow to the genitals.
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I think “Your crazy-busy life” is the main reason, i am a homemaker and it’s not that easy to have sex after a hard working day.