Теорія:

To speak about teenagers, you need the appropriate vocabulary.
  
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Afford - to be able to buy or do something because you have enough money or time;
 
Unrequited love - if love that you feel for someone is unrequited, it is not felt in the same way by the other person;
 
Increase - to (make something) become larger in amount or size;
 
Middle age - the period of your life, usually considered to be from about 45 to 60 years old, when you are no longer young, but are not yet old;
 
Spoil - to destroy or reduce the pleasure, interest, or beauty of something;
 
Concern - to cause worry to someone;
 
Chore - a job or piece of work that is often boring or unpleasant but needs to be done regularly;
 
Uncertain - not knowing what to do or believe, or not able to decide about something;
 
Fearful - frightened or worried about something;
 
Sober - not drunk or affected by alcohol;
 
Possibility - a chance that something may happen or be true;
 
Subculture - the way of life, customs, and ideas of a particular group of people within a society that are different from the rest of that society;
 
Unprotected - not protected and therefore able to be harmed or damaged.
 
Examples:

I don't know how he can afford a new car on his salary.

It's just another poem on the pain of unrequited love.

Once you reach middle age, you have to be sensible about your health.

He tried not to let the bad news spoil his evening.

He hesitated before calling her, fearful of what she might say.
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