Stealing from other threads, play with your weight distribution so that you can hold any orientation in the water without moving. Head up, head down, belly up, belly down. Adapt your gear by adding additional weight pockets and small weight increments as needed. Then play v101's game. You should find it easier.
I brought an underwater notebook with me of notes of things to do. The bottom served as a reading and writing desk for the notebook. But treat the bottom as lava for yourself, no touching other than finger tips when picking something up or your palm when writing.