Do it on your own
invite your friend to do some things with you. write the sentences down.
example: to play football
let's play football,
1) to keep regular hours
2) to do morning exercises every day
3) to eat healthy food
4) to keep fit
5) to keep to a diet
1 Lets keep regular hours
2 Lets do morning exercises every day
3 Lets eat healthy food
4 Lets keep fit
5 Lets keep to a diet