General

Does anyone has any advice on becoming a feedee?

There's no one way to be a feedee. Some feedees gain, and some don't. Some try to stay healthy and active, while others try to move as little as possible. Some want to be as fat as possible, while others only want a little fluff. The best thing you can do is mess around, find out, and have fun.

Just try to be safe when you are messing around. A lot of people throw themselves into this lifestyle full tilt and get sick. They almost always give up because they are doing too much.

Makes sense honestly, appreciate the advice

I think the best advice I've ever read (it was on tumblr, I can't remember who said it, but all credit to them!!) was: "you have to be okay with being fat on your own".
In my opinion this is one of the most important things to remember for people who are new to this kink- and especially those that have been skinny their whole life.
for feedees/ gainers this kink isn't something we can "leave in the bedroom", this is something that will, at some point, impact your whole life. of course not every feedee gains weight/ wants to gain weight, but if that's something you want, you have to be okay with the fact that you will be a fat person.

And I'm not saying this to discourage anyone- I'm a feedee, I'm intentionally gaining weight, I am fat. But I have been chubby my whole life and I know what it's like to live my life as a fat person (although I'm still on the smaller side of things!).

So basically- do what feels right to you but do check-in with yourself along the way, make informed decisions, start slowly and, last but not least, have fun with it!