Based on the context and the answer, generate a question. 

Context: Today I had to take the day off of work so that I could go get a spinal tap done . The purpose of this was to collect cerebrospinal fluid to analyze as a part of confirming my possible MS diagnosis . I did n't find it particularly painful though there were some clear pings , twinges , and pricks .

Answer:

I thought it was necessary .



How did I feel about the procedure ?