Girlfriend: One of the things that fascinates me about my boyfriend is he can fall asleep instantaneusly at any given time
Girlfriend: There are some times when he lets you know it is going to happen
[Boyfriend and Girlfriend are in bed talking while he is visibly about to fall asleep]
Girlfriend: And when I saw...
Boyfriend: I am going to fall asleep
[Both are in bed talking and he doesn't look too tired]
Girlfriend: But there are other times when his brain simply shuts off without any warning
Boyfriend: So how was your day?
Girlfriend: So I was thinking about making a comic about those times when you fall asleep out of the blue...
[Girlfriend notices Boyfriend has fallen asleep]