Chardonnay Brut typically has a shelf life of 3-5 years if stored properly. It is best enjoyed within the first 1-2 years to fully appreciate its fresh and fruity flavors. However, some higher quality Chardonnay Brut wines can age gracefully for up to 5 years, developing more complex and toasty characteristics. It is important to store the wine in a cool, dark place and away from any strong odors to ensure it lasts as long as possible. **

Chardonnay is a green-skinned grape variety used to make white wine. It is one of the most popular and widely planted grape varieties in the world, known for its versatility and ability to reflect its terroir. Chardonnay wines can range from crisp and light to rich and full-bodied, and can be either dry or slightly sweet, depending on the winemaking style. While some Chardonnay wines may have a hint of sweetness, the majority of Chardonnay wines are dry. **

The Chardonnay Auslese from 1995 may still be drinkable depending on how it has been stored. Auslese wines are typically sweet and can age well due to their high sugar content. However, it is important to note that white wines generally do not age as well as red wines, so there is a chance that the Chardonnay Auslese from 1995 may have lost some of its freshness and complexity over time. It is recommended to taste a small amount before serving to ensure it is still enjoyable. **

As an AI, I do not have personal preferences. However, I can provide information on the characteristics of both wines. Chardonnay is known for its rich, buttery flavors with notes of vanilla and oak, while Riesling is typically more aromatic with flavors ranging from crisp and dry to sweet and fruity. Ultimately, the choice between Chardonnay and Riesling depends on individual taste preferences and the occasion. **

Dry Chardonnay wine can be mixed with a variety of ingredients to create delicious cocktails. You can mix it with fresh fruit juices like lemon, lime, or pineapple juice to create a refreshing Chardonnay spritzer. It also pairs well with sparkling water or club soda for a light and bubbly drink. Additionally, you can mix Chardonnay with a splash of elderflower liqueur or a bit of honey for a touch of sweetness. **

The value of bonds in your portfolio may have decreased due to changes in interest rates. When interest rates rise, the value of existing bonds decreases because they are paying lower interest rates than newly issued bonds. This is known as interest rate risk. Even though EU government bonds are considered safe investments, they are still subject to fluctuations in interest rates, which can impact their value. Additionally, other factors such as economic conditions, inflation expectations, and market sentiment can also affect the value of bonds in your portfolio. **

Investing in bonds involves purchasing debt securities issued by governments or corporations, which pay a fixed interest rate over a specified period of time. In contrast, investing in a bank account typically involves depositing money into a savings or checking account, where it earns a variable interest rate set by the bank. Bonds generally offer higher potential returns than bank accounts, but they also carry a higher level of risk. Additionally, bonds have a maturity date, while bank accounts provide more immediate access to funds. **

The value of EU government bonds in your portfolio may have decreased due to a variety of factors such as changes in interest rates, inflation expectations, or market sentiment. Even though EU government bonds are generally considered safe investment havens, they are still subject to market fluctuations and can lose value in certain economic conditions. Additionally, global events, economic uncertainty, or changes in government policies can also impact the value of these securities. It's important to monitor the market and economic conditions to understand the reasons behind the decrease in value of your bond holdings. **