From “Patient Zero” to hero… Taylor Swift crashed Dakota Johnson’s “Saturday Night Live” opening monologue on Oct. 2 — and she did it in style. The actress — who turned 37 over the weekend — called Swift her “therapist” and poked fun at her own string of “very lame” breakups with musicians Chris Martin and…From “Patient Zero” to hero… Taylor Swift crashed Dakota Johnson’s “Saturday Night Live” opening monologue on Oct. 2 — and she did it in style. The actress — who turned 37 over the weekend — called Swift her “therapist” and poked fun at her own string of “very lame” breakups with musicians Chris Martin and…