The Counseling that should be done before marriage, it’s for both individuals & also couples.
Pre-Marital & Sexuality counseling can be helping to have a strong, healthy relationship between couples. This kind of counseling can also be helping to identify weaknesses in both marital & sexual that could become problems during marital life.
Premarital counseling is often provided by Sexuality Counselor & Sexologist. Recently in India, the trend becomes more due to a rise in the family & sexual problems in the marriage.

when?
Most couples think they should start premarital counseling two or three weeks to their marriage. But, this sort of mentality should not be encouraged. Pre-marital counseling should be started as soon as possible. The best part is to get Sessions one or two months earlier to the marriage; it is also for couples who are into a new relationship.

What are the Benefits
Improve Communication
Beliefs and Personal values
Roles in marriage
Family relationships
Decision-making
Dealing with adjustment
Value of Time spending
Sex & Intimacy
Family Planning
Infertility
All the above factors are helping to manage a healthy and strong relationship with good sexual life between the couples.