Pete Wentz has revealed his New Year’s resolution–quit swearing around his infant son.

Pete, who welcomed first child Bronx Mowgli with wife Ashlee Simpson in November, has admitted that the tot’s arrival has prompted him to clean up his language.

“I’m working on not swearing around Bronx. I know, I have a bit of a bad mouth.”

“The thing I’m looking forward to is watching Bronx discover life,” Pete also revealed. “The first time he laughs, first time he crawls. It’s kind of cool to go back to someone else and care for someone and have responsibility… It’s one of the few aspects of life where the clichés are totally true.”