Senses
得意忘形 to be dizzy with success
To have one's head turned by success; so pleased as to lose one's sense of self-restraint or composure.
得意忘形 to focus on spirit over form
To capture the essence or spirit of a work (e.g. calligraphy) while disregarding its outer form or appearance
得意忘形 oblivious to the self
To be so enlightened or satisfied as to forget one's physical existence or the distinction between the self and the world