We usually wait until the kids are asleep or outside playing before we get intimate...even then we lock the bedroom door. I can feel for you though I walked in on my parents in the living room when I was about 15...I had to find a way to keep my little sisters, who were 5 and 6 at the time out of the house until they were finished. It was sooo embarassing.
GIRRRLLLLLL I have been there and its not funny then but it is later. One night me and my dh was having a good time and he was making a lot of noise. I kept telling him to shut up and be quiet but he didnt. So the next morning my daughter was all sad and gloomy and we kept asking her what was wrong. After constant nagging she starts crying and says I heard you and daddy last night. My heart dropped and my husband looked at me and said I told you to be quiet and she says no daddy I heard you. It was a mess. So I talk to her about the birds and the bees in the nicest way I could. It is hilarious now evey now and then she brings it up. She is twenty