Hey, it's okay. Your avatar is your thing to be what you wish it to be.
While on the topic of changing things, if people used photos of themselves and someone had dramatically changed their hairstyle it might take me a little bit to recognize them.
That does happen to me in-person in real life!
For instance, one time when I was at a friend's house the gal who is the case manager for a home health agency we were each using stopped by. Since my friend had just had surgery and wasn't getting up easily I answered the door. The case manager addressed me by name but I had to look at her for a few moments then ask "You know me, but who are you?"
Ohh that was embarrassing.
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"There are a thousand things that can happen when you go light a rocket engine, and only one of them is good."
Tom Mueller of SpaceX, in Air and Space, Jan. 2011