People like to have contact with others. Even if you don't do it with the intent of sexual reasons. Fortunately for you it's actually really attractive to most guys for a girl to have some extra weight. On a personal level it's really nice for things like cuddling and also even down to biological it makes women more attractive to men for things like breeding purposes.

Now, I'm not saying you only want a relationship for sex or to be attractive, but definitely don't let it make you feel like you're not allowed to go after someone you feel for in any way. Weight isn't bad. There is always room for changes in any way you wish later on down the line. You only live once.