I swear I'm fine trust me~

does anybody else go casually chat, go on a few dates, learn everything about each other go, show each other our favorite shows, binge then together, have tons of unprotected sex, learn new kinks, act like a married couple for a few months, then slowly fall out of love, start having poor communication and broken routines, paranoia and self insecurity sabotaging every opportunity to fix it, then just stop talking and become strangers, no, just me? okay. I'm fine.