snape I hope all is going ok. I rather hope mention of liking new girl was BEFORE notebook-time. because if not its spectacularly insensitive of PM, I thought better of him. Actually its a bit insensitive either way.
western i think its more likely to be nervous of his feelings for you, your reaction maybe etc rather thanbeing nervous cos hes about to dump you.
in my extensive experience of being binned off post sex, the sort of men who do it never feel nervous, theyre far too busy being smug. nervous in this situation i think is good not bad. But totally understand the feelings of worry.