i constantly split on my partner &amp; when the break up thoughts occur they're quite valid reasons that most would agree means end the relationship (no abuse though, just nothing in common &amp; lack of needs being met). but i cannot leave him, im scared my future self will feel lonely &amp; full of regret. i can't act now because i'm unsure if ill split again but i'll see everything through rose-coloured-glasses &amp; hate myself for leaving. it's controlling me. is this an issue for anyone else? did you ever bite the bullet &amp; do it &amp; not regret it?