3. Kussen
[media-credit name=”flickr Christina Souza” link=”https://www.flickr.com/photos/criispi/16213386242/in/photolist-qGHQS7-MMbzW-ne1hUv-r4HA7c-9wwJ9P-7h1mp1-aiChL7-6R5KZo-ii6qpX-foKWTJ-q8X7Zs-sFY4ws-dJMo7g-mDcUXc-qQ1LHn-a6RbSd-a6Nm42-7TQ1st-6R6ZtU-Hjcg67-ruiiWb-qAzzj3-7xAUaQ-ejLQHy-7Y4G4g-dRPtWo-WSH3Q-fL7vCa-pzoPhT-dHQgU4-erSetS-5wLPEK-nKps6a-8BWsPf-hz4pU7-a7Tm9R-px4rF3-mU43uB-fSKum3-9WosRk-q85x8T-q523dm-ncwfft-rjNECB-5wQFj5-dxfA2H-BTQ3df-7YRjB1-eHjdu2-a9rLX3″ align=”alignnone” width=”1024″]
[/media-credit] De drang om speeksel te delen is zeker geen kenmerk van alle culturen. Mogelijk is het gebruik gerelateerd aan de fijne herinneringen van borstvoeding.