How Can We Face the Widespread Fitna Around Us?

I'll be real with you-no matter where I turn, I see fellow Muslims openly committing sins and even feeling proud of it. Like, "Yeah, I was with so-and-so last night" or "I had a drink the other day." And then there are those who say things like, "We should be allowed to date in Islam" or "I don't think certain obligations are really mandatory." When you're surrounded by this level of fitna, it really starts to weigh on your iman. It's overwhelming. The fitna starts to look appealing, and Islam can feel too strict. Sins seem enjoyable, and it's so hard to watch all this happening without letting it affect you. Honestly, it breaks my heart to see Muslims sinning without any regret. It's painful to see what's become of the Ummah. The Prophet (peace be upon him) reminded us that Islam began as something strange, and it will return to being strange. I really struggle with this a lot. What can we do to strengthen our iman and not let this negativity get to us?