maybe instead of satisfying in the first sentence, use the word rewarding?
I feel as though the second sentence is a little awkward and unclear. try something along the lines of, "Volunteering to help, what most perceived to be a bitter and old woman, further emphasized this gratification"
mean spirited. Aside from chores, I engage in playing board games, reading and simply conversing.
You need a transition between these two sentences.
I notice how happy she is to see me. What should have been a one-time favor is now an every other day undertaking.
You can definitely combine these two sentences
I discovered that people are different but not that different
rephrase this, try not to use the word different twice, and make this more meaningful..you want the reader to know why exactly you chose this activity, so let them know what it means to you that you helped this lady out.
expand on what you think the qualities of a healthcare professionals are.