Which is used as a symbol for mr. craven's closed heart

The locked door of the secret garden.

Mr. Craven is the master of Misselthwaite Manor. He suffers from ill health, but spends most of his time abroad. He is still mourning the death of his wife, ten years before the novel begins. Because of his pain, he does not want to spend time in his house or with Colin (his son). His heart is closed. His closed heart is symbolized by the closed door of the secret garden.

teenagers are certainly stereotyped as moody.

most people view teenagers as naturally moody and grumpy, even when this is wrong. many teens are suffering from depression but it is brushed off as "just a phase" or "that's just cause they're a teenager"

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,