She struggled with depression for years, but she's more 'centered' now and able to live a full life.
The investigation has 'centered' [='focused'] mainly 'on/upon' the alleged misuse of public funds.
She 'centers' her life 'on/around' her children. = Her life is 'centered on/around' her children.
(..) good time for a meeting. What's the source? Where is the epicenter? We don't know, but it keeps getting stronger. It's gotta be centered somewhere. Hayato? No one else is reporting it. We are contacting every other plant in the Kanto region. Tokai, Fujiyama, they are unaffected. (..)2014 Godzilla