1. Life environment:

(Wise man) + (Wise woman) = ROMANCE

(Wise man) + (Dumb woman) = BABY

(Dumb man) + (Wise woman) = AFFAIR

(Dumb man) + (Dumb woman) = MARRIAGE

2. Work Environment:

(Wise manager) + (Wise employee) = PROFIT

(Wise manager) + (Dumb employee) = PRODUCTION

(Dumb manager) + (Wise employee) = PROMOTION

(Dumb manager) + (Dumb employee) = OVERTIME