Anyone breastfed one child but not the next? 

I'm Currently breastfeeding my 15 month old and expecting no3 but I don't think I want to breastfeed this one because of how demanding , stressful, painful at times, time consuming and with a toddler in tow it's going to be even harder. I formula fed my eldest and she is a picture of health. I fee so guilty but just can't see my self being able to go through it all again it took me 20odd weeks to actually like breastfeeding..I had mastitis 3x and thrush 2x, baby has lip tie and only feeds on one side, she wouldn't latch for a week so had to express and keep trying to latch, had massive over supply and let down so fast that it would choke baby, I constantly worried if she was getting enough and if she got enough hind milk. Was so stressful and I would sit and cry feeding her. So worried it will be the same again ...