I’m feel like I’m failing my son. Long post but please give me advice . I beg you.

My son is almost 10 months old and he refuses to really eat solid / table foods. He depends on his formula.

So background information,

My son suffered really bad reflex and constipation since day 1. There were days we went through 20-30 outfits from the amount of times he would spit up. He would be so miserable some days from gas and not being able to poop. His doctor and gastro doctor were concerned about not gaining enough weight so they changed formula, suggested thickened his formula and also gave him reflex meds. And gave me multiple ways to help him poop. It worked and eventually he gained weight and slowly stopped spitting up as much . He also got better with pooping. When he turned 6 months old , his doctor suggested I start trying foods. We tried simple foods like apple sauce, soft baby foods, etc. he did okay. When he turned 7 months his doctor told me start solid foods so we did slowly. He hated it. Wanted nothing to do with foods no matter what I tried, how I tried or whatever I did. Hated it. He got very constipated one day and it just so happen to be his weight checkup at his doctor that day so I told that doctor how hard I was trying but my son still hated food, only wanted formula and how miserable he was when he couldn’t poop.

So again the doctor said soft baby foods like apple sauce etc and formula was totally fine for his age right now. His doctor said when he turns 9 months I should try again with solid foods. And doctor said it was fine to wait until 9 months and for right now formula was fine for him to only have since babies only really need/depend on formula that age.

And he is 9 months almost 10 months and his doctor said by 1 he will be stopping formula and my son will than have solid foods as a normal baby/kid - 3 meals a day.

I feel like he’s so behind with eating and I’m overwhelmed. He’s such a happy baby and he’s healthy but eating solids he is so behind on and I’m concerned when he’s 1 how badly he will do without out formula even though i know it’s what to do. I listened to the doctor and I waited until he turned 9 months to start solids/ table foods and he hates it all more than ever and I’m lost. I feel so bad he’s so behind with eating.

Does anyone have any advice at all? Any words to make me feel like I’m not a failure.