Hey, don't be sorry. It is never wrong to ask and gather information about topics you find interesting! I'm a huge battery nut and I know more about batteries than a lot of people I know because years ago, I asked this same question and spent a lot of time reading about it.
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
SoC = Depth of Discharge
Keep in mind for the first 1000 cycles, not a ton of difference.
I highly recommend Isidor's book:
http://batteryuniversity.com/buy/
Most of my usage is 90%-100% and I find that even after 240 cycles, I'm within 3% of capacity of when I started even after 1.7 years. This has worked for me for the last 7 years -- but I'm not religious about it - I'll drop lower if I need to but I usually bring an Anker battery brick with me if I know I'm going to go out for a long period of time. Dropping phone to 0% is worse for it than doing 100%.
Don't leave your phone in the hot sun for hours and hours.
Most people won't see more than 500 cycles in 2 years - My wife gets about 360+ and I get about 240+ in 2 years. So you'll be fine. But read up and do whatever you want, it's your phone. Being obsessed about the battery can be fun as long as it doesn't prevent you from enjoying the phone.
If you have a Mac get coconutBattery:
http://www.coconut-flavour.com/coconutbattery/ - gives you more stats on your phone.
My phone spends most of its time on a charger during the day and night. Done this since my 6+ many many years ago - and it hasn't hurt the battery life at all.