Hurt by comments? Ive changed from a normal happy person to shallow self obsessed and misrebal just by stupid ?

Im not normally a vain person or self obsessed, but recently i was called a dog? Then later on that wk i was called some other things , now normally it wudnt affect me but it was randoms, am i being silly just say my im seeing someone completly diffirent in the mirror now abd all my faults are showing, stuff that dont even normally botther me i feel paranoid now and avoid going ne where please nice comments xxx