I can't drink alcohol, ever again, sadly. So OP, this is a really useful thread.
I occasionally have Monin gin syrup - it's passable with tonic, though you wouldn't confuse it for the real thing. It's interesting reading on here about alternatives.
Thank you, OP, and sorry you're getting a roasting. I get fed up with the "just drink actual gin, why wouldn't you drink alcohol, why pay all that money for squash" judgy brigade. It can be bloody depressing never getting to drink what others do, not even having a glass of wine now and then, and anything that makes it even slightly better is worth it in my book. It shouldn't take too much imagination for people to understand that not everyone can have alcohol.