The want to be emotionally connected with another person. When you want to share things that you are feeling in order to make a connection with them you feel an emotional attraction.
You can have this with friends, family or romantic partners.
Person 1: I talked to Wendy about what I was feeling the other day and I feel like I really connected with them! I feel attracted to them now somehow
Person 2: Oh you might be feeling emotional attraction towards them.