May to December couples are couples with significant age gap.
If sb. is preoccupied with sth., he does not have attention for anything else.
On earth, people suffer for every little good thing they have to earn.
If Cinderella were alive today, she would probably have a prenuptial agreement.
"Not in the same league" means unparalleled in number, size, quality, etc.
Bling refers to the heavy, ostentatious ornamental pieces people wear.
To be under someone's thumb is to be totally controlled by that person.