It implies the required events for a “new encounter”. It is the “1”, which suggests the start, but sometimes it’s necessary to experience a “farewell” to begin something new. For example, the work I’ve been functioning on is settled down, new projects will begin, relationships with partners will change, and so on, my life will change. Even if you say goodbye to your lover, quarrel along with your friends, or have a negative event, it implies that you’ll be able to step into a decent environment.