@Override
	public boolean invoke(MOB mob, List<String> commands, Physical givenTarget, boolean auto, int asLevel)
	{
		final MOB target=this.getTarget(mob,commands,givenTarget);
		if(target==null)
			return false;
		if(mob.fetchEffect(ID())!=null)
		{
			mob.tell(L("Your health is already linked with someones!"));
			return false;
		}
		if(target.fetchEffect(ID())!=null)
		{
			mob.tell(L("@x1's health is already linked with someones!",target.name(mob)));
			return false;
		}

		if(!mob.getGroupMembers(new HashSet<MOB>()).contains(target))
		{
			mob.tell(L("@x1 is not in your group.",target.name(mob)));
			return false;
		}

		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;

		final boolean success=proficiencyCheck(mob,0,auto);

		if(success)
		{
			final CMMsg msg=CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),auto?"":L("^S<S-NAME> @x1 that <S-HIS-HER> health be linked with <T-NAME>.^?",prayWord(mob)));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				mob.location().show(mob,target,CMMsg.MSG_OK_VISUAL,L("<S-NAME> and <T-NAME> are linked in health."));
				buddy=mob;
				beneficialAffect(mob,target,asLevel,0);
				buddy=target;
				beneficialAffect(mob,mob,asLevel,0);
			}
		}
		else
			return beneficialWordsFizzle(mob,target,L("<S-NAME> @x1 for a link with <T-NAME>, but <S-HIS-HER> plea is not answered.",prayWord(mob)));


		// return whether it worked
		return success;
	}