United Kingdom, Oct. 2 -- Finneas O'Connell's marriage proposal taught him he isn't cut out for a life of crime.

The 28-year-old musician popped the question to Claudia Sulewski earlier this month after seven years of dating, and he admitted keeping his plans a secret for so long "ate [him] alive" and riddled with concern that she'd find the engagement ring before he'd have the chance to present it to her.

Speaking on The Tonight Show Starring Jimmy Fallon, Finneas said: "I mean, I'm very relieved that it happened. I feel like it really taught me that I'm not cut out to rob banks or steal cars or something because I was keeping a joyous, happy secret for several weeks, and it ate me alive.

"And I was lying in bed at night thinking abou...