Vape Tongue

So boom I have vape tongue again - I keep getting this every few months . I'm mainly a menthol Vaper with the odd custard so switching to menthol to shock my tastebuds won't work it has come to the point where I cannot taste any Eliquid at all .. tried smelling coffee eating lemon something spicy but has not helped I'm losing the will to live lol

Has anyone got any tips on how I can start tasting my Eliquid again ?