The suspicion sticks as he follows his older self, trailing as far behind as he seems allowed to. The other man seemed to actually be watching out for him. Four raised an eyebrow, "You've no need to keep looking, I doubt a sycamore is going to so much as give me a splinter..."

Four trails behind Ten on purpose, until the older man disappears from sight. With a bit of a thoughtful frown, he peered around, "Or something else could happen." He finally spots his other on the floor before a rose bush of all things. Quietly, the younger Doctor watches his older, future self. Watches the strange emotions play on his future face. Emotions that he was certain had never been on his face.

That would never be on his face.

"Roses?" He asks after a lengthy pause. "Sentimental over roses?"