15lb is a lot to loss in less than 3 months.![[em07]](https://emojis.huaren.us/static/emojis/v1/default/em07.gif)
![[em07]](https://emojis.huaren.us/static/emojis/v1/default/em07.gif)
i also want to lose weight. But I think swimming does not have obvious effects. I swimmed half an hour and gained one pound
I weighted myself today and seems like I only lost 0.5 pound this week
What's wrong? I think I have exercised a lot. Feel a little frustrated.