If you throw up on the floor, do you clean it up using nothing but a dry paper towel?
That’s the question I usually pose to people considering the purchase of a bidet. Hopefully you wash your hands when leaving the bathroom, and shower at least once a day, but yes, you can always be cleaner.
If common sense isn’t enough to convince you though, there’s always money. Keeping a bidet in the bathroom will cut down tremendously on toilet paper use, which is ridiculously overpriced to begin with if you get a decent brand.
Fortunately, you don’t need to remodel your bathroom to add a bidet. Bidet attachments for your toilet start at ~$25 on Amazon, and require no electricity, and no plumbing know-how to install. This Luxe model is the #1 best-seller with over 1000 positive reviews.
Your ass and your wallet will thank you.