A word for having trouble distinguishing between friendship and romance

Solution 1:

The person ...

tends to get the wrong idea.

is tone-deaf in relationships.

is not good at picking up social cues.

confuses friendship with romantic intentions.

always assumes you want more.

turns everything into a date (works best if the person is female).

is a little creepy (works best if the person is male).

is too touchy feely (works best if the person is a male).

is over-familiar.