Don't reproduce from those who grew up in underprivileged families, they have a higher likelihood of termination of relationships (statistics are searched for on Google schoolchildren)

He was a man from a full family. He has an older sister. My parents were married for 40 years at the time, now more. My older sister divorced when my son was 6. Since then, she has changed several men, long-term relationships do not form. The guy himself after 7 years of relationship dropped when I was found a tumor, a month after the offer.
This is to the fact that the statistics in real life will not help, there are many nuances, because of which the situation will develop in completely different directions.
Z is. "The Flowers for Algeron" can be read