Answer:
If you try finding an answer to this question you are already a step ahead.
It just takes a while to understand and accept that your parents are humans in the first place and they do have to take care of a life of their own.
If you have been always bothered by this- Id say my mom e.g. Just circles around herself and this can be a whole lot annoying and hurtful in your younger years- you got the
privilege to understand the pain and act differently on your own kids later.
Then again I always prefered parents who take care of themselves and do not drown in their worries of my sister and me- you learn to grow fastly- go and turn your weekness into strength.- you'll chose the best thing to do.
Parents will stay parents- who would have known and we can be glad we know where we came from- but their not the ones who (should) decide where you head to!!
Having said this I hope it answered your question