

You are not alone. In fact this is pretty common. My wife has similar struggles:
https://www.simplypsychology.org/avoidant-attachment-style.html
As you already said, it’s caused by parents that don’t give you a safe and living emotional environment in early childhood.
Somehow nobody has mentioned that the executable script should reside in a location listed in the users path.
Add shebang Download to /usr/local/bin/ or at least symlink there.
Maybe package as pip package
Read a standard sometime people.
https://en.m.wikipedia.org/wiki/Filesystem_Hierarchy_Standard