Investment strategy for the next 5-8 years

I would like to sense check my investment strategy for the next 6-8 years, considering we may have changing circumstances within that time horizon. Quick facts: 28F and 29M, both EU citizens, living in NL Own house at a mortgage rate of 3.66% (house value minus remaining mortgage = ~+135k EUR) Net income 7.1k EUR per month Leftover after expenses ~3.2k EUR per month Investing ~1.2k EUR per month, 100% VWCE (the rest is going towards various savings accounts for travel, wedding, etc) 21k EUR inve