Fear of the flu and needles, deciding to seek IV treatment at a children's pediatric clinic

I went to the hospital, thinking it was just a cold, but the doctor suggested I get tested, saying my symptoms might be the flu. I debated for a long time whether I should get it or not, but I decided it was better to know for sure, so I got tested. The results were, of course, the flu. The doctor said that intravenous fluids would help me recover faster, so I considered getting it, but I hesitated for a while because I thought the needle would hurt. Still, I gathered my courage, thinking it would be better to get the injection once and feel better quickly. Fortunately, the nurse was very gentle, so it didn't hurt at all. After about 10 minutes, it was over quickly, perhaps because it wasn't a large amount of fluid. After the injection, my body felt so much lighter that I regretted the time I hesitated.