What does it mean that identity lag?

Sometimes your behavior changes before your identity catches up — expect the delay.

Example: Six months ago you were sedentary. Then you started running — three mornings a week, rain or shine. You have logged seventy sessions. Your resting heart rate has dropped. You own proper shoes. People at the track nod at you by name. And yet when someone at a dinner party asks, "Are you a runner?" you hesitate. Something catches in your throat. You say, "Well, I run, but I would not call myself a runner." The behavior is there. The evidence is overwhelming. But the identity has not caught up. You are living in the gap between what you do and who you believe you are — and that gap has a name: identity lag.

Try this: Choose one behavior you have been practicing consistently for at least three weeks that still does not feel like "who you are." Write the identity statement it implies — "I am a [writer / runner / meditator / early riser / etc.]." Then write the internal objection that surfaces when you read that statement aloud. Next, list every piece of behavioral evidence that supports the identity statement: how many times you have performed the behavior, what you have sacrificed to maintain it, who has noticed, what has changed as a result. Read the evidence list and the objection side by side. Ask yourself: if someone else presented you with this evidence about themselves and then voiced this objection, would you consider the objection credible? Finally, write a revised identity statement that acknowledges the lag without surrendering to it — something like "I am becoming a runner, and the evidence already supports this more than my feelings do." Revisit this statement weekly and notice when the lag closes.