Answer:
The correct answer is - associationism.
Step-by-step explanation:
Associationism is at theory in psychology in which associating a natural stimulus with an conditioned stimulus that can result to the make the artificial stimulus as the same response as natural stimulus.
In the given example particular song that is frequently precedes your being attached with the your significant other, here touched is natural stimulus and song is artificial stimulus.
Thus, the correct answer is - associationism.