The duration of all face lift results, lifestyle lift or otherwise depend on the quality of your skin and the expertise of the surgeon and the quality of the lifting procedure that you have had. In the lifestyle lift it is the quality of the lift, not the lifestyle, which will determine the longevity of your result.
In my experience, any face lift performed by an experienced board certified plastic surgeon done on a person with good, non-sun damaged, thick skin can provide satisfactory results for 10-15 years. Very thin skinned people with sun damaged skin or smokers can need a secondary face lift in 2-3 years.
A poorly done face lift, done by an inexperienced surgeon who does not understand facial aging and aesthetics can need revision in a few months.
In my experience, mini lifts in which the underlying SMAS and Muscles of the neck have not been directly repaired through an incision under the chin, often show recurrant sagging of the neck within a few months.