I saw in the peanut butter thread, IshbelRobertson is a "marmite lover".
Yanks may have a tendency to wonder and/or gossip about a marmite lover. So, to nip any speculation in the bud, here is some Marmite lore...
http://www.spurgeon.org/~phil/marmite.htm
(And, yes, there are certain Brits who combine Marmite and peanut butter!)