Pcoz
Don’t worry you are’nt being “puritanical”
A kuntrus containing a small amount of Rav Shlomo Wolbe’s letters was published in ny his Shloshim, in this Kuntrus Rav Wolbe zt”l has a lengthy letter in which he explains in detail that phsycology is the cause of Kefira in Bechira. Rav Wolbe zt”l goes so far as to state that battiling phsycology is actually the “milchomo” of our generation.
Interestingly Dr. Sam Harris a prominent neurologist recently published a Book attacking the notion of Free Will an he makes the point that most of his conclusions are simply taking much of the underpinnings of phsycological thought to thier logical conclusions.