"My name's Gunnery Sergeant Highway and I've drunk more beer, pissed more blood, banged more quiff and busted more balls... than all of you numbnuts put together."
There are three big theological "orthos" that typically define religions. They are orthopraxy, orthodoxy, and orthopathy. Orthos is a Greek word that means "straight" and is often interpreted as "right" or "correct."
Orthopraxy means "right action" and emphasizes correct actions over belief or feeling. Hellenic Polytheism is orthopraxic - essentially holding that one's personal beliefs and feelings are irrelevant, but that performing the correct actions, both ritual and ethical, are integral to securing the blessings of the Gods and having a strong society.
Orthodoxy means "right belief" and emphasizes having the correct beliefs over feelings or actions. The Abrahamic religions are all orthodox. They require certain beliefs in order to be a practitioner: belief in one singular divinity, belief in one particular savior, belief in one particular prophet, etc. However, many orthodox religions also have orthopraxic elements. For example, a Torah-observant Jew believes in the orthopraxy of the halacha, while a Catholic believes in the orthopraxy of confession, and a Muslim must uphold the five pillars of Islam.
Orthopathy means "right feeling" and emphasizes correct feeling over actions or beliefs. Orthopathy is uncommon on its own, but is a common feature of evangelical religions, as well as new age spirituality. In many evangelical sects, you have to feel the "Holy Spirit" or you just aren't doing it right. In new age spirituality, beliefs and actions are ignored or warped to suit whatever makes the individual feel good.
This is something that can be challenging to wrap your head around as a practitioner. For me, growing up Christian, everything was orthodox. Ultimately the only thing that really mattered was a belief in Jesus Christ as the son of God and savior of the world. Prayer and adherence to orthopraxy were just a way of expressing that belief. However, the right feeling was how I knew that I was believing correctly, so that was a big feature too. The emphasis was on a "personal relationship" with Jesus, and that involved feelings and belief.
I still struggle sometimes, more with orthopathy than anything else. I find great comfort, when I'm struggling with faith, in the fact that the Gods don't give a single rat's ass if I believe in Them or not. Despite that, I frequently struggle with the idea of not being in the right mindset to "approach" the Gods. Growing up, if my mind wandered during prayer, that meant I wasn't actually focused on God, and I was being disrespectful. That leads to me not doing the right actions now, because I don't feel good enough. For example, I'll skip Hekate's Deipnon-Noumenia-Agathos Daimon because I'm not in the right mindset, even though I know that all the Gods care about is that I do the rituals, correctly, and on time.