Will the aversion go away?

I’m 23 weeks pregnant and I’ve had such an aversion to nursing my 13m old for the past month or two. I do think she is dry nursing, it’s been a long time since I’ve felt a letdown or noticed her swallowing/drinking. I would have thought my colostrum would have come in by now since I was leaking a ton with her pregnancy by 17 weeks. But will the aversion go away once my colostrum comes in? I’m scared this will continue past when baby is here, I don’t know how I’ll be able to nurse a newborn around the clock with this aversion, since it’s been a challenge to stick with it for my toddler who only nurses 3-5 times a day.