The maintenance of marriage is inseparable from the mutual trust between husband and wife. Trust is the basis for maintaining a stable and intimate relationship, but trust alone is not enough. They also need to have common interests and hobbies. Two people can spend time together and experience the fun of life. Therefore, trust and common interests and hobbies are the necessary factors for the stability of marriage.
A marriage with only common interests is certainly unstable can be inferred according to the above words.