1a. No limit on equipment you can hold.
1b. Your def equals your wearables plus 1. (Your base stats are 1 Atk and 1 Def)
2.cut scene triggers depending on the calendar. Follow the scene to see how it plays out. Some start right away, some want you to move to a tile first, some happen after the day ends. The cut scene will guide you with terrain and what to do.
3. You share the same location as the god when it appears. That is space O. Move the god based on the map on pg.7