I love bathing I find it very relaxing
Oh yes the washing of the body is very relaxing.
I find just soaking in the hot water helps arthritis too
It can be practiced for therapeutic and ritual and even religious purposes!! 
Oh really? I did not know that
Throughout history, societies devised systems to enable water to be brought to population. Pretty amazing! 
I am sure they got creative to do that too
with three daily baths and washing. These are recorded in the works called grihya sutras and are in practice today in some communities.
Ancient Greece utilized small bathtubs, wash basins, and foot baths for personal cleanliness. The earliest findings of baths date from the mid-2nd millennium BC in the palace complex at Knossos, Crete, and the luxurious alabaster bathtubs excavated in Akrotiri, Santorini. The Greeks established public baths and showers within gymnasiums for relaxation and personal hygiene. The word "gymnasium"(γυμνάσιο) comes from the Greek word "gymnos"(γυμνός
Bathing
Bathing is the washing of the body with a liquid, usually water or an aqueous solution, or the immersion of the body in water. It may be practiced for personal hygiene, religious ritual or therapeutic purposes. By analogy, especially as a recreational activity, the term is also applied to sun bathing and sea bathing.
Bathing can take place in any situation where there is water, ranging from warm to cold. It can take place in a bathtub or shower, or it can be in a river