Yes, I totally understand that! [name_u]Rafa[/name_u] definitely did sound more childish or informal to me as well before I heard it on an adult man in a show (an occasional nickname used for a [name_m]Rafael[/name_m] in [name_m]Law[/name_m] & Order: SVU) and now it’s actually [name_m]Raf[/name_m] that seems more childhood nickname-like to me.