Some 'Senior' personal ads seen in ''the Villages'' Florida newspapers: (Who says seniors don't have a sense of humor?) FOXY LADY: Sexy, fashion-conscious blue-haired beauty, 80's, slim, 5'4' (used to be 5'6'), searching for sharp-looking, sharp-dressing companion. Matching white shoes and belt a plus. LONG-TERM COMMITMENT: Recent widow who has just buried fourth husband, and am looking for someone to round out a six-unit plot. Dizziness, fainting, shortness of breath not a problem. SERENITY NOW: I am into solitude, long walks, sunrises, the ocean, yoga and meditation. If you are the silent type, let's get together, take our hearing aids out and enjoy quiet times. WINNING SMILE: Active grandmother with original teeth seeking a dedicated flosser to share rare steaks, corn on the cob and caramel candy. BEATLES OR STONES? I still like to rock, still like to cruise in my Camaro on Saturday nights and still like to play the guitar....