[He's fine with this! Though he does keep tapping his fingers together in thought. His eyebrows furrowing, he instinctively leans into Venkman's touch.]

That's right — she sees her as her older "sister". And she's only a few weeks old, so it might be even more difficult to convince her to take on something like this.

...If I'm being entirely honest, I feel as though this is completely outside of my realm of knowledge. Dealing with interpersonal relationships is...not my strong suit.

[He seems reluctant to admit this, but literally anyone who's talked to Egon for more than five minutes would know this.]