pajamadism
pajamadism is emotional cheating with benefits, he gets the cuddle tax without commitment.
She's dating someone else but DMs him every night about her day. 'He was so touchy-feely' she tells him, which really turns him on.
'I feel connected to you in a way no one does,' lying manipulation that keeps him hooked.
When her GF got sick, he spent two nights at her place under the covers.