I was in a similar situation few years back. I did my undergraduate and graduate degree in US. Worked in US for 6 years. Got Canadian permanent residency. Moved to Canada. Got married in Nepal and went back to Canada. Had a kid. While in Nepal, I saw how my parents were dealing with day to day problems. They were getting old day by day but still doing all they can. Once a group of thugs tried to sell our land by making false papers. My dad went to police and with help of police caught those thugs. That got me thinking: what the hell I am doing in Canada when my parents are dealing with problems like these on their own. I quite my job, packed up everything and moved back to Nepal. As soon as I got back, I got a job which pays a decent salary (project). My kid is growing nicely. She likes being with my parents. I am with my family. I felt/feel relieved from within... I cannot describe in words. Yes, being back in Nepal means giving up big money I was making in Canada. (I was working for a big company in Senior position). But what I am making now in Nepal is not too bad.

While in Canada, I was dreading about life in Nepal... One would think after being in US/Canada for 18 years, I would have hard time adjusting back to life in Nepal... but I managed. What really helped is my parents/family's encouragement/love. When I have problem, I discuss with my parents. They give me sound advice which has helped me a lot. I couldn't buy this with any amount of money.

I am in a process of starting my own company. In Canada, I couln't do it...at least not for awhile. Here, there is so much opportunity you would not believe. With all young people moving overseas, there is a big shortage of technical manpower. 

At the end, just seeing my parents smile/laugh when my kid says/does something is worth being back.