Be patient. The path of self-discipline that leads to God-realization is not an easy path: obstacles and sufferings are on the path; the latter you must bear, and the former overcome -- all by His help. His help comes only through concentration. Repetition of God's name helps concentration.
Nothing great is created suddenly, any more than a bunch of grapes or a fig. If you tell me that you desire a fig. I answer you that there must be time. Let it first blossom, then bear fruit, then ripen.