One of the most important aspects of sustaining long-term relationships is communication. It's easy to connect with someone and then let the relationship get stuck due to a lack of follow-up. To keep the connection alive, make a conscious effort to stay in touch. This doesn't mean constantly reaching out with requests or updates but rather maintaining a friendly and consistent line of communication. A simple message to check in or share something of value can go a long way in reinforcing your relationship. For example, if you come across an article or resource that you think might interest a connection, share it with them, even if you haven't spoken in a while. This shows that you're thinking of them and are invested in maintaining the relationship.