Roshan knew he had two options, which was either to tell the truth or to fabricate some sort of lie, with each having their own consequences but of course, rather than exposing the lie he had told the princess, he could just make up more lies to cover it up, lying never hurt anyone, did it? And it was definitely not going to hurt him unless Hera somehow found the truth in the future that didn't mean the lie would hurt him, just that Hera would skin him alive or rain down ...