http://oi45tmbel5syg4uet4t2fg6ipfu22ewfb4dfgpeckarn3qtv3pwq.b32.i2p/tips.html
I don't have a solution for this, but I must at least bring it up for your consideration. If you take my word for it when I say I don't keep logs, and you also trust that no future vulnerability in I2P will allow traffic to be decrypted, then you can be reasonably sure that you chest activity can never be correlated with your other activities.