Welcome back to the sport
As Shamal said, you should not fully discharge a LiPo. Unlike the NiCd's we had before, LiPo's do NOT need 'exercising'
Its better for LiPos to be topped-up rather than allowed to go low.
Always disconnect after a game. I take mine out of the guns before leaving and keep them in a separate pouch.
Its not good to keep LiPo's stored for long periods (weeks) at full charge. If you're not going to be using a battery for a while then select 'Storage Charge' setting on the charger.