According to WebMD, the “in love” stage of an affair lasts 6 to 18 months, on average. And around 75% of the marriages that start as affairs end in divorce. Considering only 5 to 7% of affair relationships lead to marriage, thats a grim statistic for couples hoping their affairs will last forever.

Do affairs turn into long term relationships?

She says that its not always about sex and, in fact, most affairs begin through an emotional connection. This would suggest a healthy relationship could be developed down the line. Most affairs only last six months, so if you get past that youre already beating the odds.