Deception and lies are involved in the relationship especially with recent year when Neptune moved to Pisces. Neptune is affecting both of you. Neptune in your 7th house creates dissolve, deception, confusion in your partern/marriage life. Neptune is in your husband first house creates confusion, sensitivity and dissolve in his personal image 1st which likely going to affect his personal relationship 7th house. You might be exposed to deception neptune) from partner (7th house). Neptune in his first is likely to make him both physically and emotionally sensitive and weak.
I could tell the relationship to him bring him some sort of foreign feelings. The relationship Sun falls in his 9th house opens him to foreign culture, philosophy. Your relationship with him opens and widens his mind and horizon and likely to make him feel optimistic since Davison Vertex conjunct Jupiter. Intellectual exchange is possible.
As for you the davison sun falls in your fourth house. The relationship might bring a sense of family, belonging. Probably your parent had the same report as you did with your husband.
Davison Sun square tr Neptune is deception and lies and conjunct Saturn tells of restrictive/painful report between the couple, the deception might comes from him as he is the male (sun). Moon opposite tra Pluto is intensity, and obsession. Since moon is the female, you are likely target of this intensity, transformation and obsession.
The transit are not good for davison.
He has a hard time letting go and can be very obsessive and emotional clingy. His chart is really pronounced with water elements makes him very emotional, very sensitive and intense. You must be a grounding energy or discipline energy to him with Sun opposite Moon. You are more grounded and not very emotional with Cappy sun, Virgo rising and pronounced earth signs.
He needs to learn how to let go.
You might had good moment together. Feeling of friendship, love, play and creativity and romance occurs with 11 and 5th house reversed. You likely to stay good friends.