Don't worry about class.  I was trailer park trash raised by fat parents and I rose above because birth isn't destiny and genetics are just the foundation you choose to build upon.  Class in the modern world is a choice, not a caste inflicted upon us.  There is a concept of the "aristocrat of the soul," wherein the individual reacts strongly against the degenerate nature of the modern world.  Being a shitlord makes you an aristocrat of the soul, because you know your body is a reflection of your discipline, education, strength and intellect.  You don't need a title, a pedigree or a fat bank account to be an aristocrat of the soul, and if you are an aristocrat of the soul, you will never be a part of the obese underclass that will devolve into little more than animals.