Breastfeeding Aversion

Just recently realised I have Aversion. My baby is 1 week and 4 days m. He was under weight and my milk hasn’t came in yet so we had to move to formula. Since being on bottle he’s struggled with latching into my breast. But he’s gotten better recently but it took so much stress to get him back to doing okay in now hate the feeling of breastfeeding . It literally cringes me out when I feel him in my nipples but it upsets me because I want to be able to enjoy feeding him. Any ideas on how to overcome the disgusted feeling I now have while feeding ?