Does she ever see him watching her through the picture window? Most likely. Does she think he's a lecherous old man? Very probably. But he isn't exactly that. How to convey the mix of longing, wistfulness, and muted regret that he feels? His regret is that he isn't a lecherous old man, but he wishes he were. He wishes he still could be.
The narrative explores the complex emotions of a man observing a woman through a window. While she may perceive him as a creepy, elderly figure, there’s more to his character. His feelings are intertwined with a sense of longing and nostalgia.
This man grapples with muted regret, wishing he could embody the lecherous persona he isn't. His yearning reflects a deeper desire for vitality and connection, highlighting the bittersweet nature of aging and unfulfilled desires.