|Generic diagram of a spontaneous reaction: showing that the free energy decreases as the reaction proceeds, that the greater the slope of decrease the greater the spontaneity, and that at equilibrium the free energy is at a minimum the "equilibrium mixture" is most likely products. |
The following are related quotes:
“How can you initiate love? How can you stop love? How can you control love? Love cannot be controlled. You cannot do anything about love. You have to allow love to happen when it happens. Love is a spontaneous reaction.”— Rob White (2011), “Love is a Spontaneous Reaction” 
1. Spontaneous reactions – SparkNotes.com.
2. Ebbing, Darrell D. (1990). General Chemistry (pg. 729). Houghton Mifflin Co.
3. White, Rob. (2011). “Love is a Spontaneous Reaction” (Ѻ), RobWhiteMedia.com, Aug 19.
● Spontaneous process – Wikipedia.