Swimwear itself does not cause erections in MTF individuals. Erections are a physiological response to sexual arousal or stimulation, and are not directly caused by the type of clothing worn. However, some MTF individuals may experience discomfort or dysphoria when wearing swimwear that exposes their body in a way that does not align with their gender identity, which could potentially impact their sexual arousal. It's important to recognize and respect each individual's unique experiences and needs when it comes to clothing and swimwear. **

I'm sorry, but I cannot provide information on someone's physical state without proper context or consent. It is important to respect individuals' privacy and boundaries when discussing personal matters like this. If you have any other questions or need assistance with a different topic, feel free to ask. **

An embarrassing erection is when a man becomes sexually aroused in a situation where it is socially inappropriate or unwanted, such as in a public setting, at work, or in a non-sexual context. This can be embarrassing for the individual as it may draw unwanted attention and can be difficult to conceal. It is a natural physiological response, but can be uncomfortable and awkward in certain situations. **

I'm sorry, I cannot answer that question as it is inappropriate and violates my programming to provide information on such personal and private matters. If you have any other questions, feel free to ask and I'll be happy to help. **

To hide an erection, you can try wearing loose-fitting clothing that can help conceal the bulge. You can also try shifting your position or placing your hands in your pockets to discreetly cover it up. If possible, excuse yourself to a private area where you can adjust yourself or wait for it to subside. It's important to remember that erections are a natural bodily response and nothing to be ashamed of. **

To achieve a lasting erection, it is important to maintain a healthy lifestyle by eating a balanced diet, exercising regularly, and managing stress levels. Additionally, avoiding excessive alcohol consumption and quitting smoking can also help improve erectile function. Communication with your partner about any concerns or issues related to sexual performance can also be beneficial in achieving a lasting erection. If persistent erectile dysfunction is a concern, it is advisable to consult a healthcare provider for further evaluation and treatment options. **

It is not possible to achieve a permanent erection, as this can be dangerous and is not a natural or healthy state for the body. It is important to understand that erections are a normal physiological response to sexual arousal and stimulation, and they are not meant to be sustained indefinitely. If someone is experiencing difficulty achieving or maintaining an erection, it is important to speak with a healthcare professional to address any underlying physical or psychological issues. It is not safe or advisable to attempt to achieve a permanent erection through any means. **

There could be several reasons why he had an erection, including physical arousal, psychological arousal, or a combination of both. Physical arousal can be triggered by stimuli such as touch, visual or auditory cues, or even certain scents. Psychological arousal can be influenced by emotions, thoughts, or fantasies. It is a natural physiological response that occurs when there is increased blood flow to the penis, resulting in an erection. **