Comfort nursing

Hi everyone,
On Feb 6 I gave birth to a golden baby, our daughter Julie. After a long journey of several years and 7 ICSI attempts (in Belgium), we are finally blessed with a baby!
I immediately said I wanted to breastfeed and had read many books beforehand about the ins and outs, but what we have now, I hadn't read anything about. Our midwife didn't tell us about it either.
So since day 1, our little girl has been constantly attached to the breast. The first days in the hospital she even had to sleep with me (on the advice of the staff there) because I was so exhausted because she kept crying when she was in her crib. I had to take her out, attach her to the breast, and when she slept I tried to put her back but she kept waking up! So starting the ritual again.
After 3 days we were allowed to go home and took our mattress off our bed and placed it in the living room next to her crib. That way I could continue the ritual from the hospital. At first I was afraid I would roll onto her, but I rolled myself in my duvet up to the waist, upper body bare, and she next to me in her own sleep sack. I sleep on my side, one hand under my pillow and the other next to her so she doesn't roll over during breastfeeding. When she sleeps and I wake up or am still awake, we move her to her crib (then it's crossing fingers that she keeps sleeping, otherwise I have to start all over). We put a t-shirt of mine in the crib, a warm water bottle so everything stays warm...
After searching a lot, I found out that our baby does comfort nursing. Our midwife told me I should use a pacifier and that she wasn't allowed to use me as a pacifier. Easier said than done. After 4 weeks I bought lots of different pacifiers and now she takes one Mam but only for a min or 5. She prefers hanging at the breast.
Now I read that this is common and that the baby also seeks comfort, warmth, soothing and safety and not just food.
No problem really, I'm already somewhat used to it and try to get her in the stroller (during walks) or that she hangs in a carrier with me (we even exercise together now!)
That way I also move a bit and my breasts get some rest!
Our pediatrician also wanted to do a pH measurement because she thought our child needed a lot of attention and was 'difficult'. (Because I told her she wants to hang at the breast continuously and cries quickly otherwise). We didn't want to do that since she shows no characteristics and I don't want an unnecessary tube pushed into her nose.
Yes, she sometimes has hiccups, yes she sometimes spits up some milk (not acidic), but she has no other characteristics. Our gynecologist also said that every baby has reflux and that this disappears with age. All those medications were unnecessary according to him.
Now I would have liked to exclusively breastfeed for 3 months and then wean and switch to bottle feeding. Or that I can keep pumping, but I'm still doubtful about that because I find it quite cumbersome and painful. I sometimes pump now because the midwife told us we should give a bottle regularly. Now she sometimes drinks 60 cc in 3 minutes! Also a Mam bottle with 1 nipple. She doesn't want other bottles!
So I wondered
1. How do you wean? Replace one breastfeeding with bottle feeding. And this build up after 3 days to 2 breastfeeds replaced by bottle feeding...
Then I wonder how I can know how many feeds she has now since she hangs at the breast a lot and not just to drink.
What if she wants to suck at the breast after the bottle? Because then I might as well keep breastfeeding. (Double work). Also, my husband wants to be of service too. (Now she cries constantly with him and others...) Others don't have breasts...
2. Are the chances of SIDS higher if I stop breastfeeding? I'm really scared of that
3. What if you want to have a glass of alcohol? (We are going on vacation at the end of May and it's also my birthday and I would like to have something after more than a year of sobriety )
4. When does a baby stop comfort nursing? Does she do it on her own and if so, at what age? (If I knew she did this after 3 months, I might breastfeed a bit longer). Then I'd have my hands free for a bit...
5. Is it normal that she at 7 weeks still doesn't really smile or play with something? I try everything to elicit a reaction but she looks at a certain point (ceiling) or looks around. Sometimes she looks at me, but laughing...ah no
She is gaining well, was born on time (1 day overdue), we already went to an osteopath because he suspected she had neck pain and headaches because she was pulled out with a vacuum cup (cut also because her heart rate dropped during contractions, so she had to come out!)
Would love experiences from other ladies who breastfeed and whose little ones also hang at the breast constantly...exhausting huh?
Thanks in advance for the replies...