[LWJ]

I agree with the above concensus. Communicate to them as they wish to be communicated.

They know. They accept your thanks now. It is still significant to voice your thanks in some manner.

My FIL was a huge influence. I told him a few times. I didn't need to - because he already knew it.

It still was nice for both of us to trade our thoughts. When he died, I was without regret.

You got this.