[He sighs lightly, trying not to disturb his lungs too much. So he decides to describe things in more detail so Leon won't be in the dark.]

Remember when I told you about my illness? This is it. When I get an attack, I cough a lot, and most of the time I cough up blood, as well. Some attacks are worse than others, but if I can remain conscious through it, I consider it one of the better ones.