develop an inclination towards, have a liking for

tack with long and loose stitches while preparing for sewing, baste, sew with running stitch

sleep with, have sex with

be softened

to be effective (Mostly in the sense of negativity)

eyes to be filled with tears, dissolve into tears, grizzle

a stony heart to soften or melt, Metaphorically: being merciful to the hard hearted, the greedy or miser person willing to spend or give something

the heart to melt, to be deeply moved, to feel pity or compassion

have no mercy