Answered Formit custom hook firing multiple times

[[!FormIt?
	&hooks=`spam,ampGetUser`
	&submitVar=`amp_find_person_submit`
]]

<form id="amp_find_person_form" action="[[~[[*id]]]]#FindPerson" method="post" class="c-form">
	<input type="hidden" name="nospam:blank" value="" />
	<div class="row">
		<div class="small-12 columns">
			<input type="email" name="amp_find_person_email_address" id="amp_find_person_email_address" />
		</div>
	</div>
	<div class="row">
		<div class="small-12 columns">
			<button id="amp_find_person_submit" name="amp_find_person_submit" type="submit" value="Find Person">Find Person</button>
		</div>
	</div>
</form>

[[!$validate.ampFindPerson:jsToBottom]]

<script>
	$("#amp_find_person_form").submit(function(event) {
		$("#amp_find_person_submit").attr("disabled", true);
	}); // Disable multiple submits
</script>

<?php
$modx->log(modX::LOG_LEVEL_ERROR,'The form has been submitted.');
return true;

[2016-09-06 09:20:06] (ERROR @ /Users/patrickappelman/Sites/gr/core/cache/includes/elements/modsnippet/168.include.cache.php : 2) The form has been submitted.
[2016-09-06 09:20:06] (ERROR @ /Users/patrickappelman/Sites/gr/core/cache/includes/elements/modsnippet/168.include.cache.php : 2) The form has been submitted.
[2016-09-06 09:20:06] (ERROR @ /Users/patrickappelman/Sites/gr/core/cache/includes/elements/modsnippet/168.include.cache.php : 2) The form has been submitted.
[2016-09-06 09:20:06] (ERROR @ /Users/patrickappelman/Sites/gr/core/cache/includes/elements/modsnippet/168.include.cache.php : 2) The form has been submitted.
[2016-09-06 09:20:06] (ERROR @ /Users/patrickappelman/Sites/gr/core/cache/includes/elements/modsnippet/168.include.cache.php : 2) The form has been submitted.

<?php
$_POST['amp_find_person_submit'] = '';
$submitvar = $hook->getValue('amp_find_person_submit');
$modx->log(modX::LOG_LEVEL_ERROR,'The form has been submitted. Submit var is ' . $submitvar);
return true;