It's really good but it's just a bit off. Here's how I would write it. I explain the changes below so you have some context. "Getting married young may not be a good idea for some people. Once they get married, there may be too much friction with their spouses. They may have less time to build a career or to follow their dreams." "Getting married at a very early age is not really good for some people." "Getting married young may not be a good idea for some people." In this case, the word "young" would give me the impression someone in their early to mid 20s. Saying "a very early age" isn't wrong but it does give a sense of someone that might be too young. I also changed it to "may not be a good idea" since it gives it a slightly better feel. When you say something "is not good for people", it sounds like it's physically not good for them. For example, smoking is not good for people. Too much food is not good for people. It sounds better to say marriage is a bad idea. "Because once we get married, we would have too much friction with spouses." "Once they get married, there may be too much friction with their spouses." We're talking about young people that are not us so I changed "we" to "they". I omit "because" since it's inferred. I also changed "we would have" to "there may be" because it makes it less certain. It's just your opinion/thought which is not a statement of fact. "We would have less time to spend for ourselves for career or future dream." "They may have less time to build a career or to follow their dreams.". Once again, I changed "would" to "may" to reduce certainty. The other changes are because people typically talk about "building a career" when they are young. Also, we generally say "follow our dreams". You can omit "spend" because English speakers understand building takes time. Hope that makes sense! Let me know if you have any questions :D

1: I want to think it wasn't too literal. I'm sure it was a pretty violent hit but I think they stayed attached. 2/3/4: When a solider dies, their family is presented with their burial flag. For the 7 soldiers that died, all of their families will get a burial flag. What Barbie is describing is one event where they'd kept 2 "Abduls" (enemy combatants, prisoners of war) just to take out all their aggression on them. The US soldiers are just beating them to take revenge for the deaths of the 7. Barbie is playing out this scene from his memory and I'd guess that he's been around this type of thing many times before. When he says "same old same old" it's something that rarely changes. It's a shortened version of the saying "Same old shit/crap/thing". It's usually used in response to "How are you doing?" "Same old crap." It's a slightly depressing way to say that nothing good is happening or that your life is boring. What Barbie is showing us is a situation he has seen happen multiple times. There's always prisoners who get beaten. There's always someone yelling at a prisoner about a friend that had died. When he says "his mom" it means any one of the dead soldiers' mothers. It's just a piece of dialogue he's used to hearing in that situation.

Is the weather strange?

I live in Volgograd, Russia. It is in the South of Russia where the climate was always very hard.
For example, in the summer there could be  temperatures of about +35-40 degrees, and in the winter there could be about -25 degrees.
So the difference between summer's and winter's temperatures is about 60 degrees!
But that's not I want to talk about. 
It's the end of November and the temperature is +1 degree now. A few days ago the sun was shining and the temperature was +17!
How is it possible?
Some years ago the normal temperature here at the same time was about -10 degrees. And there was a snow, too much snow. But now there's  not.
Of course, the first snow has already been here. And it was at very strange day too: the 7th of October. It is too early for my city.
So what happened with the weather?
Don't you think that it's strange now?