My parents  divorced when I was a teenager.
Wow,!the reason for divorce areReasons for divorce vary, from sexual incompatibility,clash or lack of communication BTW partners. 
lack of communication was the principal reason for their divorce.
Infidelity
Infidelity (synonyms include: cheating, straying, adultery (when married), being unfaithful, or having an affair) is a violation of a couple's assumed or stated contract regarding emotional and/or sexual exclusivity. Other scholars define infidelity as a violation according to the subjective feeling that one's partner has violated a set of rules or relationship norms; this violation results in feelings of jealousy, sexual jealousy, and rivalry.
What constitutes an act of infidelity depends upon the exclusivity expectations within the relationship. In marital
spouses informally stop cohabiting). Reasons for divorce vary, from sexual incompatibility or lack of independence for one or both spouses to a personality clash.
The only countries that do not allow divorce are the Philippines, the Vatican City and the British Crown Dependency of Sark. In the Philippines, divorce for non-Muslim Filipinos is not legal unless the husband or wife is an alien and satisfies certain conditions. The Vatican City is an ecclesiastical state, which has no procedure for divorce. Countries that have relatively recently legalized divorce