To that end, the Feels will come to those witnessing or living through a particularly moving moment when their heart is fullest and add additional emotion until the heart can no longer contain the pressure.
Most parents start the training when their children are between two years and three years old. But there's no official age, and you needn't potty train your toddler at all if you don't want to.
If you have a daughter, you may be wondering when to begin the potty training process with her. There is no right age in general. Children start as young as a year old and go all the way up to three years old too and sometimes even four years old, if there are other physical or mental considerations to take into account. It will really depend more on your daughter as to when to begin potty training.