Deep breaths and try to relax.
Aaaaaaahhhhhh-phuuuuffffffff
Aaaaaaahhhhhh-phuuuuffffffff
Aaaaaaahhhhhh-phuuuuffffffff
Aaaaaaahhhhhh-phuuuuffffffff
Back to normal now.
I'm off soon anyway and will have thoroughly chilled out by the time I return on Monday.