I really need advice on how to handle this situation
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You can start slow! Go for a walk alone with her home with dad. Go out for a couple hours. Give every opportunity for them to bond with you GONE so he can't phone in. (As long as he is a safe person to do so with.) You have a couple months at least! That is a good chunk of time, if you can consistently give them time alone together, it will make a world of difference!
my advice is probably stop nursing bcz otherwise its very hard to sleep at night..She is alhmost 2 years old,I stopped breastfeeding when my first was 1 year and 10 months old,i wasnt pregnant at that moment but sleep changed straight away and i had much more rest. You need to talk with your partner how you will manage situation when another baby will born bcz baby will take too much time. My daughter is turning 4 next week and baby is 2 months old..Im sleep with my baby and husband sleeps with daughter otherwise im not imagine how could i sleep with 2..
My partner and I alternate bedtimes, but I used to always do it! For a couple weeks we had him do it every night to help him get used to Dada.
Agreed if the dad’s present leaves for a week. I left my daughter for a month and that’s helped a lot too the point she was able to start school without me. Obviously I started slowly, feed hours, days. 21 months old she should understand that she don’t always need mommy
Wean her and let dad put her to sleep. Starting now
You gotta push through and let her and her dad get settled together. Give her time to get used to him and him time to figure out how to take care of her. Yes, she'll cry. He might throw a tantrum too. But realistically, it has to happen, because you can't do it all by yourself, nor should you have to. I know it's easier said than done. But I hope he pulls through and takes some things off your plate