Let me ask you this: how does a species survive that doesn't have offspring unless they were VERY comfortable and secure in their lives? It doesn't. There are many natural urges humans possess and this is one of them.
If you ask a person why they did it they often can't explain it in a reasonable way. To them it just feels like the correct decision, because evolution makes having offspring very desirable. Same reason why most of the things that taste delicious are the things you need most for survival (energy from food).
If you ask a person why they did it they often can't explain it in a reasonable way. To them it just feels like the correct decision, because evolution makes having offspring very desirable. Same reason why most of the things that taste delicious are the things you need most for survival (energy from food).