Don't bother with stretching or weight-hanging. These two techniques are said to lengthen the penis, and in some cases they do. But the longer it gets, the thinner it gets; both methods cause the penis to lose girth as it stretches out. The only time to use a penis stretcher is after having surgery, when it's necessary to prevent the accumulation of scar tissue.
Sure, you may encounter partners who may be turned off by that, as with any physical or sexual preference. But you’ll also find partners who are turned on by it, or who don’t care either way. It’s all about finding the right sexual compatibility with the right partner — and that might include adding more oral stimulation, manual stimulation, sex toys, and so on. It's 100% entirely possible to have an amazing sex life with any size penis (or, you know, none at all).