Be your/somebody’s baby Definition 1 of 2Pro Tip 1/3Ownership Feeling Implies a deep personal investment and often pride in the task or project. Revamping our website is my baby, I’ve dedicated a lot of effort to it. Pro Tip 2/3Emotional Attachment Suggests strong emotional connection, similar to how one feels about a child. I nurtured this initiative from scratch; it’s truly my baby. Pro Tip 3/3Responsibility Indicates that a person is the main one answerable for the success or failure of a project. I'm leading the research team; this experiment is my baby.