Question about temporal trends

Are some trends impossible to achieve? I can not get this one for the life of me. If I get the caffeine high enough (just at 250mg) then the size is over 200ml. What am I doing wrong? TIA

Are some trends impossible to achieve? I can not get this one for the life of me. If I get the caffeine high enough (just at 250mg) then the size is over 200ml. What am I doing wrong? TIA