Doubting and questioning are, unfortunately, human nature. Second-guessing, wondering...
Do not lose faith, don't discount the work the Spirit does in our lives. I firmly believe that our walk with God is similar to a roller coaster... and it can change day by day... if not hour by hour.
Remember, Satan is actively working to weaken your faith and trust in God.... we all are affected by it at times, but our faith is what brings us through. Faith that God loves us, and He means what He says....