Novices and newbies discussion

My partner spent a large part of yesterday constantly dripping, to the point his pants were damp and he was worried the dampness would show through to his light chinos. He said it tends to happen after I’ve excited/teased him; he used the words ‘after a failed erection’ (he can’t get erect as he’s caged). He has also leaked easily when I tease him, even without a cage. I’ve told him that its probably normal? But promised I’d ask. I spent a lot of yesterday teasing him via messages/photos. When he got home and unchanged it was leaking down to his ankles; I love it happening, however I suppose I ought to check if it’s ‘normal’ for someone fairly new to caging.. Maybe I should suggest he puts a sock over the cage to capture leakage/minimise risk of it wetting his trousers?