What do you think of my elderly buddy’s behavior?

Yesterday, 5 of my canoe paddling buddies got together for a workout.

We all arrived at the start location at the same time.

4 of us put our canoes in the water and waited for the other paddler “Joe” who is 70 years old (I’m 67). After about 5 minutes he told me that he left his paddle at home and will use a club owned paddle. No big deal. We all waited paitiantly for Joe to select a paddle (another 5 minutes).

Finally we all start paddling our individual canoes.

After a little over a mile of paddling, Joe said that he remembered that he left his paddle on the dock and he was going back to get it.

The 4 of us kept paddling the preset workout as Joe paddled back for his paddle.

Later when we were paddling back, Joe joined us paddling with his paddle (that he told us he forgot at home, but forgot that he actually left on the dock and then later remembered he left on the dock and then paddled back for).

Strange behavior?

He certainly hasn’t been padding well. I’m worried and I’ll be watching him closely.

What do you think?