Bella and her stuffed animals...

Ok so I took a video of her sucking away but can't upload it easily. Why does she do this? No clue. She recently she chewed up the last of her stuffed animals, so we got irritated and she went without stuffed animals for awhile. Two nights ago Bella was acting bored and I remembered a stuffed animal in the closet. She tossed it around a bit but especially morning and bed time is when she nurses lol. It's her comfort item...