Well what you're buddy said was pretty spot on. OG can be gown in any regular growing circumstance as to any weed in general. But when grown to it's full potential a good strain of OG will completely engulf the room in it's stench of sweet pungent stink. The calyx's will also look like they have...
Well I've herd drying you're bud in the microwave can lead to vaporized THC within 10sec or less. Just because it's being suspended in butter dosen't change the outcome. I would just let it warm at room temp, if I were you.
Common guys don't clown him. I give you props for sticking with it to the end. Most people would have just scraped it for a few bowls early. I'm sure you learned a lot during this grow which you can use towards you're next one. Good luck man!