@ ladygaga345
The thing that is never considered when choosing an AV is what kind of support will I get if I have any problem and you have seen that in spades in these forums, prompt and helpful responses and not all related to avast, but you still received help.
So you have lots of personal experience of avast and the support in these forums and that has to count a lot more than any limited review, etc. Not to mention If the AV doesn't have all the elements/shields that you need, then detection is the last of your issues. Whilst avira has a relatively good detection rate (but it isn't streets ahead by any recent tests) it also has a slightly higher rate of false positives.