Day of rest. Went to church. Our ward was a whole lot bigger now that we have accumulated a good portion of the neighboring ward. However, I still have several callings, so the stars aligned for me to teach in Sunday School (Gospel Principles class) and in the Elder's Quorum as well. I did not mind, in fact I was thankful for the experience. Teaching in the Lord's church is a great blessing. The Lord cares enough for the correct doctrine to be taught that he will show it to you plainly even if you make only a meager effort of your own to receive it. Only one catch - it has to be your honest best effort under the circumstances. Then all you have to do is listen and repeat. So you can learn a lot in the process.
The lesson in Sunday School was on the restoration of Christ's original church in our day. The lesson in the Elder's Quorum was on the feelings of Joseph Smith about his prophetic calling. What I learned from those lessons is that the Lord really cares about everybody, and I mean everybody. No exceptions. When it says in Matthew 28 to go to all the world and preach the gospel to all nations, there is no kidding, double talk, or figure of speech involved.
An observant LDS missionary that served in the US could write a book about socio-economic profile of a trailer court and other not so popular places to live. The one that served in Russia that was thorough in his work would know more about the country than I do. For every area and culture, a good missionary comes back knowing it inside and out. Because he literally would have been to every nook and corner of it. He might like the culture naturally and think it is fun to get immersed, but I highly doubt too many people would ever want to reach this level of immersion just for fun. He immerses himself on that level because he knows the Lord loves those people, and if the Lord does, then the missionary can learn by at the very least coming to their house and talking to them.