I loved that so much, second only to his proof that he is, indeed, the very model of a scientist salarian. Of course I reset after losing him; I wasn't carrying over to ME3 a save file with his death.
Oh, how could I have forgotten about that? My boyfriend was home whilst I was having the conversation in which Mordin bursts into song. Needless to say, said boyfriend thought that both I and my video game were slightly weird.