Thanks guys, that helps a lot.
If I do nothing but wait and see, will that affect my bitcoin?
Not sure what you mean by "affect your bitcoin". It is possible that your computer could get infected by a hacker or malware. In that case you could lose all your bitcoins. It is also possible that the exchange rate could be significantly different in the future, meaning that each of your bitcoins could be worth more than $10,000 or less than $10 (or anything in between).
By that I meant if I stay with the same wallet provider, i see you can have a Core or Classic wallet now, that I didn't know, but how do you know what the other wallets support? Mycelium or Hive for example?
I read that retailers are pulling out of bitcoin due to transaction times at the moment being too long,
You've read fact-checked articles written by reputable journalists listing specific retailers that have stated that they have stopped accepting bitcoin transactions and that long confirmation times are the reason? Or you've read some random blog post by some random internet writer that is trying to push an agenda and making up things that support their argument without any proof of anything they've said?
And the answer to this may be in two parts! I thought it was a fact checked article, I think I read it on CCN? I wasn't being specific as I can't for sure remember and don't want to point a finger wrongly, however I know there wasn't a list of these retailers.
Thanks for taking the time to answer so comprehensibly though. It is very much appreciated. And I learnt a lot from it.