Theoretically if I for some reason need to re color my whiskey to hide that I’ve been drinking how would I do that

ok so weird question but if I was theoretically drinking whiskey and was adding water to make it look like it wasn’t being drank and it theoretically lost its color how would I fix that? could I add more whiskey to the other whiskey to add color? Could I add food coloring? No one drinks it but me it’s old but I still drink it. I feel like adding more whiskey is my best bet but idk. This is all theoretical ofc