estar loco por be crazy about (love); be mad about (thing); be nuts about (thing); be nuts on (thing); be crazy about (thing); be nuts on (love); be sold on (thing); be sweet on (love)
estar para volverse loco be at one's wits end (problem)
loco de atar stark raving mad (behavior); raving mad (behavior)
loco declarado certified (law); declared insane (law)
loco por enamored of (love); infatuated with (love); nuts about (love); crazy about (love)
volver a alguien loco drive someone bananas (noise); drive someone nuts (noise); drive someone crazy (noise)