Get out your calendar or day planner and take a look at the days of the week.
If you have a calendar like mind, you will see Sunday, Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. What you will not see is Someday.
So here is the point - There is no someday!
Our belief in "someday I will...." is a myth that holds us back in life. We fool ourselves this way. It's one way we rationalize. Read the word rationalize as "rational - lies."
How to make "someday" a series of todays
Here