User blog comment:Mythical zoan fruit enthusiast/For those who want Luffy to have Mera Mera and Gomu Gomu/@comment-110.136.209.120-20130622150439

i think the person with D;s have ability to have more df :) so luffy maybe accidentlly eat the mera-mera no fruit. maybe when he swallowed it because he's in dire situation or emergency....