My DS has fed off both breasts since being about 2 months - he would do a solid 5-10 mins on each boob. We recently started weaning him but he is not consuming a lot and so BF as usual (on demand but usually every 3ish hours). He has taken more recently to doing his first 5 min feed, then wanting both breasts out and he places himself in the middle of the breasts and sucks off one nipple for 20-30 seconds then switches to the next nipple, does the same and so the cycle continues on repeat until I pull him away (I think he would happily do this indefinitely) in which he screeches for 20 seconds then gets over it and smiles. I don’t think he is hungry at this point, he is using it for comfort.
Does anyone else baby do this?