🌱💖➡️❤️

#growing love #deepening love #relationship development #blossoming love #seed of love #stronger love #heart evolution

❤️🦎🆚❤️🐦🆚❤️🫀🧍

#organ comparison #heart evolution #circulatory system #internal anatomy #physiological adaptation #zoology

<3→❤️

#emoticon to emoji #heart evolution #digital heart #less than three #text heart #modern heart #love symbol history