"A good relationship is when someone accepts your past" suggests that a healthy partnership is characterized by understanding and embracing each other's personal histories, including any mistakes or experiences.
"Supports your present" underscores the importance of having a partner who is there for you in your current circumstances, providing emotional, practical, and moral support.
"And encourages your future" highlights the role of a supportive partner in motivating and inspiring you to pursue your goals, aspirations, and personal growth. In essence, this quote sets the standard for a positive relationship, one where individuals feel accepted for who they are, are supported in their current endeavors, and are encouraged to dream and work towards a brighter future together.