Don't Be Weary
Periodic discouragement in well doing happens to the best of God's people: Moses, Joshua, Elijah, and David are a few.
Galation 6:9 And let us not be weary in well doing: for in due season we shall reap, if we faint not.
Weariness isn't unchristian or unspiritual, but gaurd against fainting--quiting--throwing in the towel. There is strength for every task. It took Noah 120 years to build the ark. I imagine He became weary at times.
Philippians 4:13 I can do all things through Christ which strengtheneth me.
Regardless of how you feel, God can still use you. Keep doing whatever He called you to do. The Lord blesses the seed sown. It doesn't depend on how you feel.
When care is pressing you down a bit, rest if you must, but don't quit.
Hold on my child, joy comes in the morning.