Falling into a nice comfy bed when you're exhausted and just passing out
Using an actual flushing toilet after being out in the wilderness for even just a few days
Orgasms
Eating your favorite meal
Having your back scratched or getting a massage
Apparently I think the best feelings have to do with the physical and not the mental, not sure why that is
Sleepy Time extra strength. Valerian root, take me away.