Describe your study
or and work
--- tell them that study and
work are both ongoing.
Furthermore, I will probably live in a luxury house which will be surrounded by a very lovely private garden with green grass, roses and a small botanic garden. However, I definitely won't have enough time for my family and friends. At any rate, I will try my best to spare time for them at weekends.--- that sounds terrible! The interest in luxury is superficial and the plan to neglect family and friends is terrible. Write that you will GUARD AGAINST letting this happen. For example, you can settle for an ordinary house and save some time for family!! :-)
Also, it might be nice to express some interest in alleviating suffering in some way.. making it so that your success benefits some people. What kind of business are you talking about starting? Let's express some detailed plans....