Attachment creates problems. The reason we feel lonely whenever outside of our comfort zone is the experience we are going through is new. When we go through something that we never went through before, we feel a kind of uncomfortableness. This uncomfortableness is resulting in the creation of new brain patterns. Brains neuron activates when we go through something new. The existing pattern when finds it difficult to work with. This is the exact reason why while the new patterns form, we feel insecure and frustrated. Sometimes it creates fear. The brain nature of fight or flee comes to action when we put ourselves in fear. Fear most of the time creates a fleeing sensation than fighting. Because fleeing is less risky than fighting. Your life is guaranteed when you flee. But fighting takes a lot of effort that maintains the required outcome. So if fighting is not a desirable option, the fleeing is the only left one. That is why we see some people easily setting their presence in the new