The pill side effects

Silly asking this vis iv been on the pill for 9 years but only last year I felt shit outta nowhere I was miserable and after feeling like that Iv been in fear of feeling a that way again and I worry a lot now sometimes I feel fine and others I feel off or a little anxious could this be the pill would it be normal to only start effecting me after 8 years on it I took a break for a year when it happened and start it back exactly one year later that was in March this year I'm stopping it next month but just curious vis Google doesn't help me at all