When it is time to move on, you feel this eager nudge. Strangely, the direction of this nudge differs from situation to situation.
When it is time to leave your adamant son in his new flat in a big, mean town, you feel the nudge to run back to him and give him a hug (or maybe slap him hard on his back and then hug; whichever he deserves more), hoping the tactic will guard him against all odds you fear await him.
Or consider the nudge you feel when you are sitting in an overcrowded train, commuting to save your life, financially or socially or just-ly. The nudge that nudges you to get out of there RIGHT NOW and find a place that doesn’t make saving your life such a bore.