169 lbs ... . Now I want to be 150 lbs ... right in the middle of my healthy range . So I started getting serious again on Jan 1 , 2008 .

Question with options to choose from: What has happened since Jan 1 2008 ?
Possible answers: (a). The narrator has worked out more .; (b). The narrator has conquered vice .; (c). The narrator has stopped gambling .; (d). The narrator has stopped drinking .;
(a).