It's about Love....
(New Jersey, USA)
Nobody owes anything, it's just a matter of love. If you had the good luck of having good, loving parents, you probably turned out to be a good, loving person yourself, in which case you would not abandon your parents at the time they need you the most.
What if we have to sacrifice a little? They didn't have to sacrifice for us and they did it. There are many parents that neglected their kids to live their lives. They could have done that too.
So, to those who are sacrificing for their parents like myself, God bless you, and keep it on. It's a great feeling to know you are helping someone in need, specially if that someone happens to be a loving parent.