As an AI, I do not have emotions like humans do, so I do not feel sadness or any other emotions. However, it is common for viewers to feel a sense of sadness or emptiness after finishing an anime, especially if they became emotionally invested in the characters and story. This feeling is known as post-anime depression, and it is a natural response to the end of an engaging and immersive experience. **

After finishing episode 15, you should continue watching episode 16 to see the continuation of the storyline and find out what happens next. Episode 16 will likely pick up where episode 15 left off and continue to develop the plot and characters. It will also provide further insight into the ongoing conflicts and resolutions within the series. **

Insulation should be done before plastering. Insulation helps to regulate the temperature inside a building and reduce energy costs, so it is important to install it before the walls are plastered. Plastering over insulation helps to create a smooth and even surface for the walls, ensuring that the insulation is properly covered and protected. Additionally, installing insulation before plastering can help to prevent any potential damage to the insulation material during the plastering process. **

Ultimately, the decision to continue watching a series or stop is a personal one. Consider factors such as your level of enjoyment, the time commitment, and whether the series aligns with your values and interests. If you find the series engaging and entertaining, and it brings you joy, then it may be worth continuing. However, if you feel it's becoming a chore or no longer holds your interest, it may be time to consider stopping and finding something else to watch. **

It ultimately depends on your personal preferences. One Piece is a long-running series with a rich and expansive world, while Boruto is a continuation of the Naruto series with a focus on a new generation of characters. If you enjoy the world-building and adventure of One Piece, you may want to continue watching it. On the other hand, if you are more invested in the characters and story of Naruto and are interested in seeing how the next generation develops, finishing Boruto may be the better choice for you. **

Both "Thank you for watching" and "Thanks for watching" are commonly used phrases to express gratitude to viewers at the end of a video or presentation. The choice between the two depends on the level of formality you wish to convey. "Thank you for watching" is more formal and polite, while "Thanks for watching" is more casual and friendly. Ultimately, either phrase is appropriate and the decision should be based on the tone and style of the content. **

Whether it is worth watching Boruto depends on your personal preference. If you enjoyed the Naruto series and are interested in seeing the next generation of ninjas, then you may find Boruto enjoyable. As for Naruto movies, some of the most popular and well-received ones are "Naruto the Movie: Ninja Clash in the Land of Snow," "Naruto Shippuden the Movie," and "Naruto Shippuden the Movie: Bonds." These movies offer exciting adventures and character development that fans of the series may appreciate. **

If you enjoyed Fullmetal Alchemist Brotherhood, it may still be worth watching the original Fullmetal Alchemist. While Brotherhood follows the original manga more closely and is generally considered the superior adaptation, the original series has a different storyline and character development that some fans may still find enjoyable. Additionally, the original series has a different ending and explores certain themes in a different way, which can provide a new perspective on the overall story. Ultimately, whether it's worth watching the original series after Brotherhood depends on your personal interest in revisiting the world and characters of Fullmetal Alchemist. **