Breathe. This is not a big deal. Buying your first toy, or a replacement, is not like deciding to have children or a car or a puppy. Adult products, toys, sexual enhancement devices or whatever you want to call them are just another thing that people buy, and everybody buys them. You're no different to the significant proportion of the Australian population who admit to buying a "toy" of some description, or the rest of the adult population who probably do but won't admit it to others (or themselves probably).
You might like to read this (blog post) first: It's Time