The lower pH is, the sourer the taste is.
lime – citric and ascorbic acid, pH around 1.8
lemon – citric acid, pH around 2.3
vinegar - pH 2-3
rhubarb - pH around 3.3
You can check your Loneliness level using the Loneliness Scale UCLA (psytests.org) If you are dealing with feelings of loneliness that j...