Talking about the birthday gifts, it is common practice to give some gadgets and expensive stuff to the boys on their birthday. This is not a good perception, the boys also become somewhat emotional and you can gift them other stuff a well.
Have you experienced waking up in the morning still feeling as if you have not rested for the night and the moment you are done with your coffee you feel energized? Then, when afternoon comes you resume your sluggish ways? That same feeling goes around for days and days and you can just feel your energy level slowly drop as days pass.
When it comes to how two individuals will perform at the same job, apart from knowledge and skills the next thing that one can say will make a difference between the two is their health. A company full of healthy employees will greatly outdo a company that does not have fit employees any day.