We tend to think life transitions should feel exciting. A graduation, a promotion, a move, a long-awaited fresh start. So it can be confusing when something else shows up: sadness, restlessness, a quiet sense that something is missing. One of the most overlooked truths about life transitions is that every beginning also contains an ending, and sometimes what we're leaving behind carries more weight than we expected. You can be happy about a new chapter and still grieve the one that ended. Here's a look at the hidden emotions of change, and why they're more common than you might think.