The quote addresses boundaries and self-respect in relationships. "If you push me away, I promise you won't find me where you left me" conveys that the speaker won't remain stagnant in a relationship if treated poorly.
"My heart's big but not big enough to deal with people who decide to love me when it is convenient for them" highlights the importance of genuine and consistent affection.
In essence, the quote champions self-worth and authenticity. It asserts that individuals deserve unwavering love and respect, not sporadic attention. It's a reminder that healthy relationships are built on mutual commitment and genuine care, discouraging the notion of being treated as an option or being taken for granted.