Very normal, in itself healthy social interaction could bring one to alcoholism for example, and nobody, including the addict, will be aware of the problem for a long time.
I believe a more interesting claim would be to say 'social issues involving a significant other'. It's easy to hide problems of various kinds from your friends; it's much harder to do so with a partner, especially living together.
I'm not saying having such a partner prevents addiction, but I do think that it makes it harder to maintain without ramifications. I suspect a significant part of addicts either lack in a significant other, or have one who suffers from 'compatible' issues.
Personally I've found that partners and flatmates (family or otherwise) are a primary reason for not spiraling into bad habits (or addictions). With friends it's too easy to 'manage' yourself.
https://en.wikipedia.org/wiki/Rat_Park
If you prefer the graphic novel:
I find it very unfortunate that society hasn't caught up with this way of thinking and mostly still regards addiction as a moral vice, rather than a lifelong illness.