My biological father divorced my mother when I was still a toddler and has been in my life sporadically since then. However, often enough that I remember some of his favorite phrases. One of them is “don’t run ahead of the locomotive!” (yes, he was a railroader).
And, damn it, this is an incredibly wise principle that many of us are so lacking in following. For example, the user u/Character_Bed_1205, the author of our story today. A single mom, who so wanted her boyfriend to replace her son’s father that her wishful thinking took over…
More info: Reddit