Title: Brothers in Arms
Genre: RPS
Words: In total just over 800
A/N: havenward showed me some pictures of Robert Downey Jr and remarked that in one of them he looked a lot like JDM. My brain jumped on that and as the evil wonderful enabler she is Haven fed the bunny with a few prompts on comment_fic. The rest, as they say, is history.

( JDM/RDJ, brothers, responsibility, madness )