Still Kicking
Contributor
Being able to orient oneself in any desired position and maintain neutral buoyancy while performing complex tasks are hallmarks of a squared-away diver."For fun," "to look at a wall," "to look up," to prevent cramping, to follow a slope up or down--those are all "reasons" as I would define the word. If you're not breaking horizontal trim for any of those reasons or some other reason, get back in horizontal trim, as it can provide the advantages others have mentioned.