As an AI language model, I cannot predict the future decisions of individuals. Whether Lucas will stay in SuperM or not is ultimately up to him and the group's management. It's important to respect the privacy and autonomy of the individuals involved and allow them to make their own decisions about their careers. **

SuperM is a K-pop group that primarily speaks Korean, as they are a South Korean boy band. However, some of the members may also be fluent in other languages such as English and Mandarin, as they have members from different K-pop groups and backgrounds. Overall, their main language of communication and performance is Korean. **

The members of SuperM are relatively old compared to other K-pop groups because they were chosen from already established and successful groups. SuperM is a supergroup formed by SM Entertainment and Capitol Music Group, and it includes members from popular groups such as SHINee, EXO, NCT, and WayV. These members have already gained significant experience and recognition in the K-pop industry, making them a strong and experienced group. Their age and experience bring a level of maturity and skill to the group, which contributes to their success. **

Mark and Taeyong are both members of the South Korean boy group NCT, which is managed by SM Entertainment. NCT is known for its unique concept of having multiple sub-units, each with its own distinct musical style and members. Mark and Taeyong are also part of the K-pop supergroup SuperM, which was formed by SM Entertainment in 2019 and consists of members from various SM boy groups. SuperM has gained international recognition for its powerful performances and diverse musical influences. Both Mark and Taeyong are talented performers and have contributed to the success of both NCT and SuperM. **

Kai is seen in the music video Jopping by SuperM because he is a member of the group. SuperM is a K-pop supergroup formed by SM Entertainment and Capitol Music Group, consisting of members from popular SM boy groups such as EXO, SHINee, NCT, and WayV. Kai, being a member of EXO, is a part of SuperM and therefore appears in the music video as one of the group's performers. **

Lucas from NCT, WayV, and SuperM is no longer seen in the groups due to allegations of inappropriate behavior towards women. These allegations led to his departure from the groups and a hiatus from his activities in the entertainment industry. The decision was made by the management of the groups to prioritize the well-being and reputation of the members and the groups as a whole. **

Longines is a luxury watch brand that is known for its high-quality craftsmanship and attention to detail. While some components of Longines watches are made using modern machinery, the brand also incorporates handmade elements in their timepieces. This can include hand-assembled movements, hand-finished detailing on the dials and cases, and hand-stitched leather straps. These handmade touches add a level of artistry and precision to Longines watches, making them highly sought after by watch enthusiasts. **

The Kitchen Aid Artisan mixer may squeak due to a few reasons. One common cause is that the gears inside the mixer may need to be lubricated. Another reason could be that the attachments are not properly secured, causing friction and noise. Additionally, if the mixer is being used at a high speed for an extended period of time, it may also start to squeak. Regular maintenance and proper usage can help prevent the squeaking noise. **