In terms of ''ease'', no, it's not easy.
3 years undergrad
Potentially 1 year masters
3 years doctorate (and you may not be successful on your first attempt)
Look at clinpsy forum and look at the many threads of applicants who apply multiple times.
You have to learn a lot of theory, studies, names, dates. In psychology you learn about statistics and have to learn how to critically evaluate theory, then you do a dissertation. You may have to undertake voluntary work to build knowledge before obtaining a role where you become client facing. It's rewarding but tough