She is terrified by commitment/scared of turning out like parents+husband&wives;/like we often do/scared of losing her independence/scared of a time when she won't have him around anymore/scared of symbolizing her love by way of marriage b-c what if he wakes up one day and doesn't love her/then she might realize that she's not worth it/ a big fool revealed in the eyes of the girl in the mirror./

                   BUT DESPITE THE LOOMING LIKELY POSSIBILITY

she can't live without risking that making that possible mistake/ToTrust/ToFeel/to possibly be made a fool of for the sake of love.