When It Comes to Sex, Is it the Thought That Counts?

There are times when the saying "it's the thought that counts" fits. For example, if someone you don't know that well remembers your birthday, but forgets to buy you a gift, you might say "that's okay, it's the thought that counts" and mean it. But what if it's someone you are close to? Or a family member? Or what if it's any old friend and while they remember your birthday they neglect to call or email or even post something on your Facebook wall? They still thought about your...