User blog comment:Omega natsu2/Fairy Tail Episode 212: Juvia vs. Aries: Clash in the Desert!, Review./@comment-24729244-20141213065118/@comment-31.61.129.235-20141214130251

I think watermelons and mayo are merely symbols of something of sexual nature (which of course cannot be shown explicitly in Saturday morning I think). Lucy being afraid of them isn't contradicting her character - she does seem to be little shy in relation to sexual matters.