Pretty is as pretty does proverb
Used for men or boys: Handsome is as handsome does.
Just based on your attractive physical appearance, it is not enough to assess you as a kind person. (Usually said of girls or women)
A: Despite her lovely face, she tends to spread malicious gossip. B: Pretty is as pretty does, you know.
Mary is living proof that pretty is as pretty does. She looks gorgeous yet abrupt with anyone around her.
The proverb was first recorded by Chaucer in 'The Wife of Bath's Tale' (c. 1387)
If you do something or something happens in a blaze of glory, you do it or it happens in an extraordinary and impressive manner.
The band intended to perform publicly and go out in a blaze of glory.