"It's more it was...often seen as a woman's domain." Loki was phrasing it that way deliberately. His mother had taught and trained him though, and often pointed out that ultimately in battle the goal was to come back alive. Therefore however you did that, was valid and honorable.

"I was the tag-along little brother, never really trusted or admired." Not that Loki had, at times, done much to help that impression. Thor had adored him for some reason, pranks and all, but the others...

"In any case...Heimdall is the guard of the bifrost, and Asgard's borders. He's known as all-seeing and all-hearing. Getting 3 frost giants into Asgard without him putting a stop to it was not easy." Waiting to see if Kaiba would pick up what Loki'd just admitted to, or if he'd assume it was just part of the story telling.