You must be walking backwards. Because yes – You can have positive thoughts, discuss a halachic matter or post a tehillim list.
FYI, this will help the situation. even slightest.
That said you or many more might be doing this already. This thread belongs to the many bored and sickly around here that only feel that can be expressed under a hidden name.
and find it pressing to discuss mosquitoes instead of miracles at time of war and destruction.