“Analysis paralysis”, or a state of overthinking that stops people from making a decision, is a psychological theory about choice which you should consider when:
A) Picking the number of calls-to-action you should have in your email
B) Deciding who to send your email from
C) Including images in an email
D) Determining the delay between email sends
https://www.youtube.com/watch?v=qaaU6CElL6U