intersperse exclamation marks ina the text.
The author used three exclamation marks at the end of the last sentence to wake up the readers.
Three big exclamation marks shocked me. I hurried back to my room. There were two bubbling goldfish in the glass jar.
The anarchy and commotion of the '60s were given voice in the exploding exclamation marks, riotous capital letters and Day-Glo italics of Tom Wolfe's spraypaint prose;