Is this completely insane of me?

We're going to be moving houses within the next few months. We wanted to buy the house we live in but the owner changed their mind about selling and we don't want to rent forever. The house we're currently in is my husband's childhood house and we had our hearts set on buying it and raising our own family here.

(We were on a rent to own basis).

Anyway, the actual point of my post is that we have several little pets buried in our garden (with the owners permission). We have two cats and our conure, who all died late 2017/ early 2018. My heart just absolutely shatters at the thought of leaving them here, maybe at some stage renovations will be done and their little bodies will be thrown away, etc.

Would it be completely insane for me to ask my husband or someone to dig them up, put them in a box for us to re-bury when we move? I really can't stand the thought of leaving them and I can't stop crying about it.

I've never quite gotten over their deaths and refer to them as my garden pets.

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Thank you for all the replies. I found a lot of peace with what some of you said, that this home WAS their forever home and they had happy memories here. They all died at home which is why they never got cremated. I like the idea of making a memorial for them wherever we settle.

For the rent to own clause, it was that we rent to own if the owners sell (IE we would be the only buyers, they wouldn't put the house on the market), which they always assured us they would one day. They know this is my husband's childhood home. However with COVID they changed their mind. We've been living here for seven years.