You are completely missing OP's point - you are not the case of stepping into the realm of exercising for the first time and already trying some hyper-optimized

You are completely missing OP's point - you are not the case of stepping into the realm of exercising for the first time and already trying some hyper-optimized-latest-fad routines. He even covers your case, if you cared to read till last sentence. By far the hardest part of working out regularly is to have good mental setup, which just doesn't spawn on itself but one has to work through some mental resistance. Getting into the state of enjoying the suck, for all the benefits, for the feeling afterwards, whatever makes you tick and come back. I can't agree more.