One person in market from ten year doing SEO having the site services and same keywords as we have for our site ,we start effort on SEO and get our site on top 1st position with in 5 month ,but that person is doing SEO from ten year why we get the 1st position so quickly ,how our keyword come at top in 5month , is there any thing like maturity level after that Google imposes some hard rules on site ,or what is this i am totally confused