Plowing land deep is good on ur results. It means ur plowing is up to the depth. May be she is fat or ur length is not sufficient to her. See sex is not just like that. It is the whole body and the parts of body gets in vibrated. While doing ur mouth touches the other, toungs get tasted, nose should rub each and enjoys smell and heat breath, one hand do and play on the balls and other hand covered the neck and back, stomach and brest touch and press as much as required, talking sweet things, legs spin with other, eyes feel beauty face, mind impress and activate nurves and other parts to temper nurves to feel. The end is so beautiful scrach inside let the drops occure and the emotions drop slowly. When U plow inside it must touch her bottem pot and scrach, I think she the scraching. So plow deep. otherwise no use of doing it. whenever she say wait u wait and understand press ur thing deep and enjoy.