Strong differences in the characters, experts say, should not prevent the build strong and trusting relationships.
In the experiment, researchers observed the behavior of fish Amatitlania nigrofasciata during mating. Some pairs showed aggression to each other. However, after some time borrowed heavily partner to please him.
Note, a similar model can be seen among the people. As yet there is no full proof that this assumption is true. There are data only about the experiment with fish. Further study – a question of time.