84L * 2€/L = 168€, no?

How much could they save if they stopped drinking beer?

Find a gym partner. It doesn't even have to be someone that always goes with you every day. Just find someone that is going as well. Create a challenge for both of you, e.g, "lose 1% of body weight per week" or "increase 10% on 3x12 set of bench press".

You are still early in the journey, so of course it will feel like as long as you are consistent you will make progress quickly. The moment you start getting closer to your natural limits, perhaps you will see that reaching new PRs are not so easy so you will not take them for granted.

Regardless, there are countless stories of athletes that face some form of depression after reaching the top. They run out of things to chase, so they find themselves without a purpose. Maybe the important lesson here is to make sure that you have a purpose in what you are doing that is not attached to any specific number or metric.