In addition to the advise that Walt gave you, can you go back to the store and ask if you can buy just the flavoring and some PG (polypropylene glycol)? It's the PG that delivers the throat hit (as well as a higher nic content). Adding PG to your existing juice will thin it out some and it will also dilute the flavor a bit as you're adding more liquid. You may notice that you'll get a little less vapor when you add the PG (PG is the flavor carrier and thinner than VG. VG makes your juice sweeter, mellows out the throat hit and makes it smoother, gives you more vapor). That might help you out.