The lust is what makes the joke. Baldo’s a teenage boy, and to pretend that he doesn’t think about what teenage boys think about is to live in a fool’s paradise. This ain’t “Ozzie and Harriet”, we can talk about these things now (albeit obliquely).
By Gis and by Saint Charity,
Alack and fie for shame,
Young men will do’t if they come to’t –
By C—k, they are to blame.