Answer:
since not split up im gonna show it like this
related or similar.
1 , 2 , 3 , 8 related
4 , 5 , 6 , 7 similar
Step-by-step explanation:
putting number on them so it easy to understand.
1.) Someone cheers up a sad friend. 
2.) Love hurts when it is not returned. 
3.) Someone has a crush and gets 
rejected. 
4.) Feuds can last a long time. 
5.) Two groups do not get along with 
each other. 
6.) families do not always approve. 
7.) Young lovers are kept apart by their 
parents. 
8.) Friends help and defend each other.