hvordan ville i oversætte?

SÆTNING 1 -- Hvorfor er spisevaner ofte så umådeligt vanskelige at ændre?
Jeg har nemlig to bud:

1) Why are eating habits often so hard to change?
2) Why are eating habits often so immensely difficult to change?

SÆTNING 2 -- .Det lykkedes omsider lægen at overbevise den noget overvægtige dame om, at hun burde tabe sig

1) The doctor finally succeeded in convincing the overweight lady that she ought to lose weight
2) The doctor finally succeeded in convincing the overweight lady to lose weight

SÆTNING 3 -- hun havde en svaghed for søde sager

1) she had the weakness for sweets.
2) she could not resist sweets.