No one can be considered perfect in a relationship, how happy the couple is, as happiness in a relationship is just the happiness of the situations created by the partners. No relationship, as a whole, is destined to be jovial and satisfying. There can be moments of happiness and moments of struggles.
The couple who learns the secrets of balancing both happiness and struggles wins the life and enjoys the best possible relationship and life. When in tension or issues, many people may think that they are fated to fall in to wrong relationship, and at the same time ignore the possible chances of making each moments in life happy by understanding the partner a bit more and adjusting a bit more.