They also told us that there are five senses, but there are probably at least twenty. Proprioception is a sense, an ever-changing map of where the parts of your body are in relation to one another, which is why you can reliably touch your nose with your eyes closed, and in fact why you can walk. Hunger and thirst are senses, and fullness is another (there are stretch receptors in your stomach, as well as your skeletal muscles). Touch is a constellation of related but different senses: pain, pressure, heat, and itching all have their own pathways. It’s amazingly complicated.
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