married life; life as a couple
Refers to the everyday shared life of a married couple, including household, routines, and relationship.
After starting married life, we noticed differences in each other's habits.
sexual relations (of a married couple); conjugal intimacy
Euphemistic term for the sexual aspect of marriage. Often used in contexts like counseling or discreet discussion.
I consulted a counselor about problems in our conjugal intimacy.
結婚生活 also means 'married life' but is more general and less likely to carry the euphemistic sexual nuance of 夫婦生活.
Compound of 夫婦 (married couple) and 生活 (life, living). The euphemistic sense developed from the general meaning of 'married life'.