[Practical matters go before reactions, naturally.]
That is well. I'm glad I could be of use, in that regard.
[As short as that moment was there are of course plenty of conclusions he can draw from it even without Porthos' current body language. He takes the time to rise from his kneeling position, adjust his jacket... Hmm. His tone is as calm and even as ever, not judgmental in the slightest:]
I realise you would likely prefer for me not to comment, and it's hardly my place to do so. However... [he hesitates slightly, as if unsure how to proceed,] The importance of a father's presence in his child's life cannot be downplayed. It is out of line for me to say even this much, but: it is good to see you could meet.
[Clearly Sebastian has a lot of personal feelings on parents?]