Long Time Relationships

According to controversial actress Etinosa Idemusia. She said "what makes people date for a long time like 6 years in a relationship, and end up divorcing in less than a year in marriage.

"She continued " I'll say unrealistic expectations of marriages, not knowing marriage and dating have no significant difference other than formalities.  are  undare peopleof erstand that dating and marriage are not that different, other than the formalities.

What do you think about that?