if target of use then used;

##used:
say 'msg',"[$init_obj] drinks from the [$actor].";
if $init_obj's health < $init_obj`s healthmax then givehealth else givehealth;

##givehealth:
$hlth = $init_obj's healthmax;
set $init_obj's health to $hlth;
sayto $init_obj,"You feel your wounds disappear as soon as your lips touch the surface of the water.";