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But every time I lay down it feels like I'm about to shit myself again
Sounds like you need more high-quality fiber in your diet.
My recommendation for anyone that is having poo problems is muesli.
You can usually get it in the bulk goods aisle of your local store, assuming that the store has that. At my local winco, they sell it for about two dollars a pound.
You dump about a cup or two into a bowl, fill that bowl with milk. It's okay if you use a plant substitute, then top it with some plain yogurt and some berries and a little bit of sugar or honey or maple syrup.
Stick it in the fridge for a couple of hours or overnight.
And enjoy, it's just a little parfait with some granola, it's not a big deal.
But I promise you, two or three days of eating that, you will have the easiest poop of your entire life. That combo will clear out stuff that's been sitting in your colon since high school.