Hey,
Soon I will fly in business class for the first time in my life, and it's gonna be in Polaris, in international flight from EWR to TLV.

Any tips for a beginner? xD

Few questions:
• From the flight, what can I take home with me, besides the amenity kit? (If it's up to me I'd take every possible thing as mementos lol)
• Can I ask for another main dish (not the salad or dessert) if I'm still hungry?
• Are there duvets in the flight?
• Do they lock the window did dimmers like some other airlines? (Flight is on a 787-10)
• Is there a walk in 'kitchen' in the galley for free snacks and atuff like that?
• Does checked baggage arrive to the belt first before other classes, or its all just random?
• I took seat 1A, in the front, as I understand it has a bigger footwell, is it noisey there due to the galley or not really?

Any tip will be super appreciated, thanks!