Ear tubes as an adult, what do I need to know?

I have an aneurysm that is pushing on my eustachian tube and causing fluid in my ear and hearing loss. It is clear fluid with no sign of infection. The aneurysm is calcified and has very little chance of rupture, so providers (ENT and Neurosurgeon) feel it is better to treat symptoms (ear problem) than to do surgery on the aneurysm.

I have an appointment in a few weeks to place a tube in one ear.

I am sure they will give me care instructions, but from those who have had tubes as an adult, any advice or questions I should ask the ENT provider?