Like an angry bear (Simile)
All bosses are dissatisfied when their employees are late for work or break the rules. Naturally, Ana's boss is the same fussy person. When she is late, her boss is "like an angry bear with a sore head and poisonous ivy in his ass". The comparison shows that workers should cherish their work, or they will pay for it.
The whole world (Metaphor)
It is such a liberating realization as if a crushing millstone has been tossed aside. Christian is a beautiful, bizarre man, whom Ana once thought of as her romantic hero – strong, solitary, and mysterious. Her heart swells with joy, but also pain for Grey's suffering. And Ana knows in this moment that her heart is big enough for both of them. Her "heart is a whole world", which belongs to Christian. Ana hopes it is big enough for both of them.
Divinity runs in his blood (Simile)
After a passionate night, Anastasia is tired, still reeling from all the disclosures of yesterday, while "Christian is bright as a button." The comparison shows that Christian is the most handsome and attractive man, whom all women want to get.