Social Mores and Expectations

With nothing in particular to say I sit to write because if I don't, I'll fall out of habit. I've decided that I miss highschool. It made me exorcise my brain and it made me physically exorcise, two things I seem not to do so much if I'm left on my own. Well, no, that's not true. I use my brain a lot, just not for so many creative things. I have to figure out how to get around the construction so that I get to work on time and I have to figure out how to make this resident in front of me not mad even though a leak ruined his prized record collection, and I have to figure out how my funds are going to pay all the bills I've some how accrued this month. So I guess I still have to be creative. It's jut not the fun kind of creative I liked in school.
Why were wives not jealous when their husbands had concubines in the old days? Were they not jealous because they weren't supposed to be? How much of ourselves are defined by what is expected of us? It still blows my mind. Multiple wives used to get along without any jealousy (except in the unhealthy relationship instances which seem to be more the exception than the rule). In other cultures, not that I'm an expert but I watch documentaries! jealousy doesn't seem to affect relationships like they do here. Do we get hurt and jealous and angry when our man is looking at another woman because that's how we were raised to think we should feel and behave? What else? Do I hate spiders because that's what I've been taught? Were I born in some other place, would I have them as pets, or eat them as snacks? Like getting married! I think there are better things to do, and why rush, and so on, but many of the people I know from one small town in particular are all married and have children already and it just seems like...the thing to do. Like they all paired off and married and started families because that's what was expected of them and so they thought it was normal and was what their lives should revolve around. It just blows my mind how different we could think or feel depending on what we are taught is normal. It would make for a great social experiment if only those darn ethics didn't get in the way! (I'm honestly joking here and think it would actually be a horrible experiment so don't get mad, and don't call me up and agree either because I'll have to yell at you)
That's my deep thought for the day.