Which poetic techniques are illustrated in the opening lines “i am fourteen/and my skin has betrayed me/the boy i cannot live without/still sucks his thumb/in secret”? alliteration and metaphor allusion and alliteration apostrophe and simile personification and enjambment

The poetic techniques that are illustrated in the opening lines of this poem are personification and enjambment. 
Personification is when inanimate objects have human qualities, such as and my skin has betrayed me.
Enjambment is when the though found in one line is transferred into the following one, such as in still sucks his thumb/in secret.