The point is, when we dedicate ourselves to God, we choose to put his interests first in our life. Do you not agree?
وَكُلُّ مَا يَطْلُبُهُ مِنَّا يَصُبُّ فِي مَصْلَحَتِنَا وَلَا يُشَكِّلُ أَبَدًا عِبْئًا ثَقِيلًا عَلَيْنَا .‏