Anormally functioning 65 year old who cannot solve abstract logic puzzles as quickly as he did when he was younger is experiencing a:
a) phenomenon that is uncommon for people of his age
b) phenomenon predicted by erik erikson as part of the eight stages of psycho-social development
c) decrease in his crystalized intelligence
d) decrease in his fluid intelligence
e) difficulty with concrete operational thinking

Decrease in his fluid intelligence

Explanation:

A normally functioning 65 year old who cannot solve abstract logic puzzles as quickly as he did when he was younger is experiencing a Decrease in his fluid intelligence.

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.