You'll need to go to the loo, probably get stained teeth, and your beath'll smell like an old tea bag.
I read the question...and just thought that Andy replied very sensibly! : )
Possible aneamia as the tanins in tea disrupt iron absorbtion, nutritionists recommend that if you drink tea that you try to drink it on it's own and not with meals especially if you're still growing, pregnant or already have aneamia.