start a diary in japanese.

you are forced to look and learn vocabulary and grammar faster cus it's directly connected to your life.

you SEE how you can write more, faster and easier day by day.

you can read it out loud if you don't have somebody to practice speaking with https://twitter.com/KevinAbroad1/status/1194215366874017793

at work i have to write everyday a small report on what i did that day, and even thou i didn't have time to learn actively my jpn skills EXPLODED by simply spending 10 min to review my day. so it's always my no1 Tip, more than just learning vocabulary or grammar