You can get bean-to-cup machine and mix 50/50 or even 70/30 decaf and normal beans - it works very well (look at quality of decaf, make sure it's water or co2-d

You can get bean-to-cup machine and mix 50/50 or even 70/30 decaf and normal beans - it works very well (look at quality of decaf, make sure it's water or co2-decafinated not chemically-decafinated). Also as I said above L-Theanin works very, very well with coffee to relieve unwanted symptoms.