"When obedience becomes our goal, it is no longer an irritation; instead of a stumbling block, it becomes a building block."- James E Faust

What this quote means is that when you want to be obedient  it wont disturbe you because you would be wanting to do something good. When you are not obedient you will feel like something is bothering you because you are not being obedient which means you are not doing good things.
No one wants it to become a stumbling block that why you need obedience to become your goal for then people will like you because are obedient instead of disobedient.