Secret to Long-Lasting Nail Tips

I'm too lazy to go to the salon... and it's hot. I bought a lot of Dashing Diva on Negowang recently, so I'm using nail stickers now.

I'm planning to change it now. When I switch, I want to use Tomorrow's Tip. Do you all have a secret to making it last a long time? Until now, I always

I think one finger would fall off in as little as 4 days. I don't know if there's oil on my nails... or if it's lifting because the curve doesn't fit, but they keep falling off. Some people's last about 2 to 4 weeks, so please, at least 2 weeks... I hope everyone knows this.

Please let me know if you have any tips~