UserAccountID (FK)
UserProfileID (PK)
DOB            Date
Gender         (the id of another table wich lists the possible gender)
Hobby          varchar(200)
SmallBio       varchar(200)
Interests      varchar(200)

[ProfileFieldNameTable]

ProfileFieldID int (PK)
Name           varchar

[ProfileFieldTalbe]
ProfileFieldID   int (PK)
UserProfileID    FK    FK
FieldContent     varchar