Choose Exercise You Actually Like
You sign up because the class looks impressive, then dread every session. Enjoyment may seem less serious than a strict plan, but it can be the reason you keep showing up. Your routine does not have to resemble someone else's.
Think about the experience
Do you prefer company, fresh air, music or quiet? Walking, dancing, swimming and strength work offer different experiences. Pick something suited to your health and abilities, and let enjoyment count in the decision.
Leave comparison out of it
You do not need to look a certain way to participate. If a setting makes you uncomfortable, try another. Movement can be part of looking after yourself without becoming a project to make your body more acceptable to a partner.