If you love, chances are that you will be loved in return. Sounds like it works, but it doesn't. As long as you are planting your crops for the purpose of harvesting them for yourself, you are not doing well. When Jesus is planting your crops for you, you receive the results come harvest time, but it is not your harvest, it is God's Harvest. If you are a farmer for God, how can you but have faith that all your necessities will be provided for you.
Service enables service.
That is, you are powerless. You have no strength to accomplish anything alone. That power has given us the opportunity to exchange a finite life of fear, inconsistency, doubt, grief, and pain, for one that will last forever and ever without any of those things. You yourself do not know what you need, you only think you do. God knew what her needs were and he provided for them.