soft spot for

• fondnessWarm liking or affection
• weaknessDeficiency in force
• affectionWarm emotional attachment
• tendernessGentle, caring quality
• partialityUnfair favor toward some

attachment · crush · adoration · sweet on · sentimental · heart · vulnerable · baby · infant · fontanelle · guilty pleasure · indulgence · darling · favorite · cherish · doting · nostalgia · warmth