Absolutely! Years ago many studies were done with baby monkeys who were taken away from their mothers and kept alive in isolation. Even though they were given plenty of nourishment and warmth, they failed to grow and thrive. The research showed that the mothers touch, attention, affection, were necessary for proper growth and development.
Humans need a mothers love and care to thrive as well. From the moment we enter this world we need to RECEIVE love in order to learn how to GIVE it. We learn how to love ourselves properly from our parents. If we were raised in a cult, our parents were influenced to resist their natural affection toward their children and transfer their greater love to God. This in turn, produces children with self esteem issues who tend to seek the approval of their parents by adhering closely to the cult. A vicious cycle.
Converts to cults may have adjustments to make in order to receive and give love effectively.Therapy is very helpful in this process. IMO a person can live without love but never thrive. The most sucessful romantic relationships are between those who develop the ability to give unselfish love. In other words, become the kind of person you are looking for. When you do love will find you.