Crocheting two identical items of amigurumis

Today I would like to share a tip that you should always bear in mind any time you have to crochet two identical items e.g. legs, arms, ears or whatever parts of your amigurumis.
Plan to do it one after the other at the same time because even though you follow the same pattern, use the same hook and yarn the result could be very different.
Look at what happened to the ears of my bunny, one was done in the evening and the other one the morning after. I ended up redoing them to be sure they had the same size.

If you are wondering why this happens I can only answer that it depends on your mood or at least this is the only answer I have been able to think of.