This question is really opinion based, but I would take it personal when things go wrong, since I start to think what I didn't or did do that made things go wrong.
Answer:
The monkeys were more attached to the artificial mothers that were warm and soft.
Explanation:
Since monkeys are considered to one of the closest primate to humans, harry Harlow intended to gather information regarding parent-child relations among humans by studying how other primates would behave under similar situation.
The monkeys were more attached to the artificial mothers that were warm and soft indicates that emotional bonding between children and parents in primates starts from early age. Warm and Soft atmosphere provided a sense of comfort for the children that later turned into long time affection to their parents.
The most dramatic impact is a loss of habitat for millions of species. Eighty percent of Earth's land animals and plants live in forests, and many cannot survive the deforestation that destroys their homes. Deforestation also drives climate change.