constitutional factors include poverty, sickness, age, sex, infirmity of body or mind, drunkenness, illiteracy, or lack of education: Blomley v Ryan (1954) 99 CLR 362.
[13.16]
It must amount to ‘a position of disadvantage as against the other party’: Blomley v Ryan (1954) 99 CLR 362, 405; see also Anderson v McPherson (no 2)
[13.17]
In Amadio, the guarantors were in a position of special disadvantage