Language problems....still

So, while my language has progressed to a point where I feel comfortable using it everywhere and teaching lower-level English by myself, there have been times when I wonder if I'll ever really understand all that is said to me. Usually, I can pick out the main point of the questions or statement when people are trying to talk to me. Or, if it's something talked about a lot- farming, weather, the new road, weddings, deaths- I understand easily. However, I have two stories that might highlight my confusion here, still, despite my progress.
Last night I was watching tv with my host dad under the mosquito net- because the mosquitoes are terrible right now being that it's rainy season and I don't want dengue. So, this program comes on TV- which I'll note that TV is usually hard for me to understand. They talk really fast and if it's the news or something they use words I don't understand. So, this program comes on TV and I have no clue what's going on because they are talking about words I don't understand. They are showing these teenagers (and I hear the word teenager) and some younger men doing exercises. I understand that they are talking about their daily activities. They are all wearing the same clothes- pants and a shirt (well..usually a shirt). There is a guy with a military uniform bossing them around. Then they switch to a doctor whose talking about I have no idea what. Then they pan the camera to these boys (maybe 13, 14 years old) who are hooked-up to an IV (which I'll also point out is no big deal- probably if I complained of a stomach ache they'd hook me up to an IV)- yet these boys were really skinny and looked sick. Then after this they go back to the boys exercising and playing soccer. Then back to the sick kids. I just keep thinking "what the heck do these two things have in common? What's the link? What are they talking about?" Finally, I ask my host dad, " what are they sick with?" He tells me but I don't recognize the words he's using. Then he explains to me that they are trying to make "bad people" into "good people"...then it makes since- they are drug addicts and they are at a recovery center. This is how I learn here- and how I'm confused a lot of the time-- still.
Today, I had language lessons with my language teacher. At the end of our session I was asking about using pronouns and if it was rude to use them. In the example I used, I told him in Khmer that "I wanted to meet with my friend in Svay Rieng." He corrected me and said that instead of using "I want" I needed to use "I want give". Now, this might sound like not much of a mistake, but according to him if I leave out the "give" it means I want to meet my friend for sex. Yep. And, I'd like to point out that I say "I want" rather than "I want give" ALL THE TIME- especially, in relation to meeting up with people. I'm hoping people just know I'm speaking incorrectly, or they think were all meeting up for a lot of sex- which of course were not. It seems like I should have learned this before being here over a year....
Other than that, I'm about to head down to the beach for the holiday (it's the Kings Birthday and Independence) because we have Friday and Monday off. It's going to be amazing...I'll post pictures. Also going on here is that my sister, who is the oldest, left last week for Phnom Penh to study at university where she got a full ride because she's smart. However, she is really, really homesick (has called everyday crying my mom told me tonight) and wants to come home. I'll probably see her next week- unfortunately. In May, she went to study in the provincial town for the grade 12 exam and lasted 2 nights. I thought this would be great in that I'd have the entire upstairs to myself. No such luck. My neighbor- who is marrying my sister sometime- has moved into her room. This happens to be super annoying because there is no ceiling and I can hear everything. Privacy seems like such a luxury.