You can verb nouns, you know.
I never said vegetarian diet with enough protein is not possible, dont take it personal, i just said that our brains still see protein as a big reward independently of the needs.
I'm not vegetarian because like the flavor of meat, but if you dont... well thats great, if your reasons are different.... also great! i hope you enjoy your food as much as i enjoy mine.
sumary: its too much food to little activity, so to lose weight shut your mouth and walk more (im myself overweighted and have lost gained several pounds back and forth obesity, because my will power doesnt last too much but when i find it, it really works)
2.1. secure all the oxigen to the plane, if you lose it you are screwed
3.1. verify that you have space in there for all the oxygen (assuming that in 2. you managed to sneak it into the well)