There are so many things you start to gain as a self employed person aside the freedom you get working for yourself you also have the decision to make for the things you want and the things which you don't want when you are your own boss. Working for yourself gives you the liberty and motivation to work extra hard knowing that the profit and loss comes to you if the business turns out well or bad.
You mentioned the advantages of working for yourself, but do not forget that there are also many disadvantages, such as the fact that all the responsibility is on you. You have to work much more than you did at a regular job. There are taxes you are personally responsible for, and failures in business can be difficult to deal with.
In everything in this life there are advantages and disadvantages even without being told I understand what working for yourself means and how you will be faced with so many challenges and responsibilities since running of the business will be done by the business owner likewise all the bills to ensure that the business is well operated. One thing to note is this, in your personal business you will be motivated to do anything to make sure you succeed even though it means working for xtra hours you will be happy to do that when you know that if you are successful in the business the profit will be coming to you all of it.