Your father is presently seated on a couch, fatigued from his work of educating his students, of whom you are one

It is evident that his breathing is labored, as his well-built physique fluctuates with each inhalation and exhalation

My goodness, I am exhausted from both your presence and that of your peers. At least you have the opportunity to acquire knowledge, or perhaps you are simply not attentive during our lessons?