rahulr-web

A small hub for static pages.

🧠 The Brain Chemistry Map

How brain chemicals shape attention, mood, memory & focus.

🍄 The Psychedelics Map

What each substance does for perception, identity & healing.

🧬 DMT — The Complete Map

The molecule, the mind, and the mystery — end to end.

🌈 LSD — The Complete Map

The most iconic psychedelic — chemistry, experience, history & trials.

🍄 Psilocybin — The Complete Map

The gentlest, best-researched classic — on the verge of approval.

👨 Fathering Your Three-Year-Old

A gentle-parenting field guide — development, big emotions, discipline & play.

🕊️ Understanding the Trauma of Feeling Trapped

What trauma is, why old panic returns, and the paths to healing.

🌀 Obsessive-Compulsive & Related Disorders

The loop behind OCD, BDD, hoarding & BFRBs — and what genuinely helps.

🌗 Mood Disorders

One axis, two families — depression, bipolar disorder & what genuinely helps.

💻 LC Patterns — Arrays & Strings

Ten recurring patterns for array & string problems, in C++, with worked examples.

🗺️ LC Patterns — Hash Map / Hash Set

Nine recurring hash-map tricks for LeetCode, in C++, with worked examples.

🎯 Interview Prep Hub

LeetCode, system design, OOD/LLD & behavioral — all in one place.