It looks perfectly fine. Nice placement too.
Those doubts will pass. Meanwhile, may I suggest that you stop staring at it, analysing it, examining it under a microscope. Once you stop paying it that much attention, the mind games will ease.
what could possibly be "one of them being the history and interpretations that could be made about spiderwebs on the elbow" ? if you are worried about what other people think about your tattoos, STOP GETTING TATTOOS RIGHT NOW !
2nd, I was going to say, put a spider web on your elbow with a skeleton spider on it.